List of Windows 2021 versions

#Windows 2021 Versions Revived 2.0 Length 9:04:12 Part 1 
# is 0EX Time -???-1Eoo BC Okna 0th Starts of 2021 (0th Starts of 2021)
## Okna 0th FTV of 2021 (0th FTV of 2021)
## Okna 10^18th BTE of 2021 (10^18th BTE of 2021)
## Okna 10^15th BTE of 2021 (10^15th BTE of 2021)
## Okna 1000000000000th BTE of 2021 (1000000000000th BTE of 2021)
## Okna 1000000000th BTE of 2021 (1000000000th BTE of 2021)
## Okna 500000000th BTE of 2021 (500000000th BTE of 2021)
## Okna 200000000th BTE of 2021 (200000000th BTE of 2021)
## Okna 100000000th BTE of 2021 (100000000th BTE of 2021)
## Okna 50000000th BTE of 2021 (50000000th BTE of 2021)
## Okna 20000000th BTE of 2021 (20000000th BTE of 2021)
## Okna 10000000th BTE of 2021 (10000000th BTE of 2021)
## Okna 5000000th BTE of 2021 (5000000th BTE of 2021)
## Okna 2000000th BTE of 2021 (2000000th BTE of 2021)
## Okna 1000000th BTE of 2021 (1000000th BTE of 2021)
## Okna 500000th BTE of 2021 (500000th BTE of 2021)
## Okna 200000th BTE of 2021 (200000th BTE of 2021)
## Okna 100000th BTE of 2021 (100000th BTE of 2021)
## Okna 50000th BTE of 2021 (50000th BTE of 2021)
## Okna 20000th BTE of 2021 (20000th BTE of 2021)
## Okna 10000th BTE of 2021 (10000th BTE of 2021)
## Okna 7500th BTE of 2021 (7500th BTE of 2021)
## Okna 5000th BTE of 2021 (5000th BTE of 2021)
## Okna 3000th BTE of 2021 (3000th BTE of 2021)
## Okna 2500th BTE of 2021 (2500th BTE of 2021)
## Okna 2021st BTE of 2021 (2021st BTE of 2021)
## Okna 2000th BTE of 2021 (2000th BTE of 2021)
## Okna 1500th BTE of 2021 (1500th BTE of 2021)
## Okna 1000th BTE of 2021 (1000th BTE of 2021)
## Okna 750th BTE of 2021 (750th BTE of 2021)
## Okna 500th BTE of 2021 (500th BTE of 2021)
## Okna 400th BTE of 2021 (400th BTE of 2021)
## Okna 300th BTE of 2021 (300th BTE of 2021)
## Okna 250th BTE of 2021 (250th BTE of 2021)
## Okna 200th BTE of 2021 (200th BTE of 2021)
## Okna 150th BTE of 2021 (150th BTE of 2021)
## Okna 125th BTE of 2021 (125th BTE of 2021)
## Okna 100th BTE of 2021 (100th BTE of 2021)
## Okna 75th BTE of 2021 (75th BTE of 2021)
## Okna 50th BTE of 2021 (50th BTE of 2021)
## Okna 40th BTE of 2021 (40th BTE of 2021)
## Okna 30th BTE of 2021 (30th BTE of 2021)
## Okna 25th BTE of 2021 (25th BTE of 2021)
## Okna 20th BTE of 2021 (20th BTE of 2021)
## Okna 15th BTE of 2021 (15th BTE of 2021)
## Okna 14th BTE of 2021 (14th BTE of 2021)
## Okna 13th BTE of 2021 (13th BTE of 2021)
## Okna 12th BTE of 2021 (12th BTE of 2021)
## Okna 11th BTE of 2021 (11th BTE of 2021)
## Okna 10th BTE of 2021 (10th BTE of 2021)
## Okna 9th BTE of 2021 (9th BTE of 2021)
## Okna 8th BTE of 2021 (8th BTE of 2021)
## Okna 7th BTE of 2021 (7th BTE of 2021)
## Okna 6th BTE of 2021 (6th BTE of 2021)
## Okna 5th BTE of 2021 (5th BTE of 2021)
## Okna 4th BTE of 2021 (4th BTE of 2021)
## Okna 3rd BTE of 2021 (3rd BTE of 2021)
## Okna 2nd BTE of 2021 (2nd BTE of 2021)
## Okna 1st BTE of 2021 (1st BTE of 2021)
## Okna 10^18th BC of 2021 (10^18th BC of 2021)
## Okna 10^15th BC of 2021 (10^15th BC of 2021)
## Okna 1000000000000th BC of 2021 (1000000000000th BC of 2021)
## Okna 1000000000th BC of 2021 (1000000000th BC of 2021)
## Okna 500000000th BC of 2021 (500000000th BC of 2021)
## Okna 200000000th BC of 2021 (200000000th BC of 2021)
## Okna 100000000th BC of 2021 (100000000th BC of 2021)
## Okna 50000000th BC of 2021 (50000000th BC of 2021)
## Okna 20000000th BC of 2021 (20000000th BC of 2021)
## Okna 10000000th BC of 2021 (10000000th BC of 2021)
## Okna 5000000th BC of 2021 (5000000th BC of 2021)
## Okna 2000000th BC of 2021 (2000000th BC of 2021)
## Okna 1000000th BC of 2021 (1000000th BC of 2021)
## Okna 500000th BC of 2021 (500000th BC of 2021)
## Okna 200000th BC of 2021 (200000th BC of 2021)
## Okna 100000th BC of 2021 (100000th BC of 2021)
## Okna 50000th BC of 2021 (50000th BC of 2021)
## Okna 20000th BC of 2021 (20000th BC of 2021)
## Okna 10000th BC of 2021 (10000th BC of 2021)
## Okna 7500th BC of 2021 (7500th BC of 2021)
## Okna 5000th BC of 2021 (5000th BC of 2021)
## Okna 3000th BC of 2021 (3000th BC of 2021)
## Okna 2500th BC of 2021 (2500th BC of 2021)
## Okna 2021st BC of 2021 (2021st BC of 2021)
## Okna 2000th BC of 2021 (2000th BC of 2021)
## Okna 1500th BC of 2021 (1500th BC of 2021)
## Okna 1000th BC of 2021 (1000th BC of 2021)
## Okna 750th BC of 2021 (750th BC of 2021)
## Okna 500th BC of 2021 (500th BC of 2021)
## Okna 400th BC of 2021 (400th BC of 2021)
## Okna 300th BC of 2021 (300th BC of 2021)
## Okna 250th BC of 2021 (250th BC of 2021)
## Okna 200th BC of 2021 (200th BC of 2021)
## Okna 150th BC of 2021 (150th BC of 2021)
## Okna 125th BC of 2021 (125th BC of 2021)
## Okna 100th BC of 2021 (100th BC of 2021)
## Okna 75th BC of 2021 (75th BC of 2021)
## Okna 50th BC of 2021 (50th BC of 2021)
## Okna 40th BC of 2021 (40th BC of 2021)
## Okna 30th BC of 2021 (30th BC of 2021)
## Okna 25th BC of 2021 (25th BC of 2021)
## Okna 20th BC of 2021 (20th BC of 2021)
## Okna 15th BC of 2021 (15th BC of 2021)
## Okna 14th BC of 2021 (14th BC of 2021)
## Okna 13th BC of 2021 (13th BC of 2021)
## Okna 12th BC of 2021 (12th BC of 2021)
## Okna 11th BC of 2021 (11th BC of 2021)
## Okna 10th BC of 2021 (10th BC of 2021)
## Okna 9th BC of 2021 (9th BC of 2021)
## Okna 8th BC of 2021 (8th BC of 2021)
## Okna 7th BC of 2021 (7th BC of 2021)
## Okna 6th BC of 2021 (6th BC of 2021)
## Okna 5th BC of 2021 (5th BC of 2021)
## Okna 4th BC of 2021 (4th BC of 2021)
## Okna 3rd BC of 2021 (3rd BC of 2021)
## Okna 2nd BC of 2021 (2nd BC of 2021)
## Okna 1st BC of 2021 (1st BC of 2021)
## Okna 1st BC of 2021 Server (1st BC of 2021)
## Okna 1st BC of 2121 (1st BC of 2121)
## Okna 1st BC of 3021 (1st BC of 3021)
## Okna 0th of 2021 Beta (0th of 2020)
## Okna 0th of 2021 (0th of 2021)
## Okna 0th of 2021 Professional (0th of 2021)
## Okna 0th of 2021 Ultimate (0th of 2021)
## Okna 0th of 2021 Server (0th of 2021)
## Okna 0th of 2021 Ultraserver (0th of 2021)
## Okna 0th of 2021 Second Edition (0th of 2024)
## Okna 0th of 2021 Server R2 (0th of 2024)
## Okna 0th of 2121 (0th of 2121)
## Okna 0th of 2121 Server (0th of 2121)
## Okna 0th of 2221 (0th of 2221)
## Okna 0th of 3021 (0th of 3021)
## Okna 0th of 3021 Server (0th of 3021)
## Okna 0th of 4021 (0th of 4021)
## Okna 0th of 12021 (0th of 12021)
## Okna 0th of 20021 (0th of 20021)
## Okna 0th of 100021 (0th of 100021)
## Okna 0th of 200021 (0th of 200021)
## Okna 0th of 2000021 (0th of 2000021)
## Okna 0th of 2000000021 (0th of 2000000021)
# Abacus Projector 0E2021 (0E2021)
# Abacus Projector 2021 Starts (2021 Starts)
# Abacus Projector 2021 FTV (2021 FTV)
# Abacus Projector 2021 Twelfotrum (10^30-2021 BC)
# Abacus Projector 2021 Elevenotrum (10^27-2021 BC)
# Abacus Projector 2021 Yottatrum (10^24-2021 BC)
# Abacus Projector 2021 Zettatrum (10^21-2021 BC)
# Abacus Projector 2021 Exatrum (10^18-2021 BC)
# Abacus Projector 2021 Petatrum (10^15-2021 BC)
# Abacus Projector 2021 Second Teratrum (2?10^12-2021 BC)
# Abacus Projector 2021 Teratrum (10^12-2021 BC)
# Abacus Projector 2021 Teratrum Server (10^12-2021 BC)
# Abacus Projector 2021 Half-Teratrum (5?10^11-2021 BC)
# Michaelwin 2021 Third Gigatrum (3?10^9-2021 BC)
# Michaelwin 2021 Second Gigatrum (2?10^9-2021 BC)
# Michaelwin 2021 Second Gigatrum Server (2?10^9-2021 BC)
# Michaelwin 2021 1.5s Gigatrum (1.5?10^9-2021 BC)
# Michaelwin 2021 Gigatrum Beta (10^9-2020 BC)
# Michaelwin 2021 Gigatrum (10^9-2021 BC)
# Michaelwin 2021 Gigatrum Professional (10^9-2021 BC)
# Michaelwin 2021 Gigatrum Ultimate (10^9-2021 BC)
# Michaelwin 2021 Gigatrum Server (10^9-2021 BC)
# Michaelwin 2021 Gigatrum Ultraserver (10^9-2021 BC)
# Michaelwin 2021 Gigatrum Second Edition (10^9-2024 BC)
# Michaelwin 2021 Gigatrum Server R2 (10^9-2024 BC)
# Michaelwin 2121 Gigatrum (10^9-2121 BC)
# Michaelwin 2121 Gigatrum Server (10^9-2121 BC)
# Michaelwin 2221 Gigatrum (10^9-2221 BC)
# Michaelwin 3021 Gigatrum (10^9-3021 BC)
# Michaelwin 3021 Gigatrum Server (10^9-3021 BC)
# Michaelwin 4021 Gigatrum (10^9-4021 BC)
# Michaelwin 12021 Gigatrum (10^9-12021 BC)
# Michaelwin 20021 Gigatrum (10^9-20021 BC)
# Michaelwin 100021 Gigatrum (10^9-100021 BC)
# Michaelwin 200021 Gigatrum (10^9-200021 BC)
# Michaelwin 2000021 Gigatrum (10^9-2000021 BC)
# Michaelwin 2021 Half-Gigatrum (5?10^8-2021 BC)
# Michaelwin 2021 Half-Gigatrum Server (5?10^8-2021 BC)
# Michaelwin 2021 Quarter-Gigatrum (2.5?10^8-2021)
# Vanura 2021 Tenth Megatrum (10^7-2021 BC)
# Vanura 2021 Ninth Megatrum (9×10^6-2021 BC)
# Vanura 2021 Eighth Megatrum (8×10^6-2021 BC)
# Vanura 2021 Seventh Gigatrum (7×10^6-2021 BC)
# Vanura 2021 Sixth Megatrum (6×10^6-2021 BC)
# Vanura 2021 Fifth Megatrum (5×10^6-2021 BC)
# Vanura 2021 Fourth Megatrum (4×10^6-2021 BC)
# Vanura 2021 Third Megatrum (3×10^6-2021 BC)
# Vanura 2021 2.5s Gigatrum (2.5×10^6-2021 BC)
# Vanura 2021 Second Megatrum (2×10^6-2021 BC)
# Vanura 2021 Second Megatrum Server (2×10^6-2021 BC)
# Vanura 2021 1.5s Megatrum (1.5×10^6-2021 BC)
# Vanura 2021 Megatrum Beta (997980 BC)
# Vanura 2021 Megatrum (997979 BC)
# Vanura 2021 Megatrum Professional (997979 BC)
# Vanura 2021 Megatrum Ultimate (997979 BC)
# Vanura 2021 Megatrum Server (997979 BC)
# Vanura 2021 Megatrum Ultraserver (997979 BC) 
# Vanura 2021 Megatrum Ultraserver (997979 BC)
# Vanura 2021 Tenth Lakannithum (997979 BC)
# Vanura 2021 Megatrum Second Edition (997976 BC)
# Vanura 2021 Megatrum Server R2 (997976 BC)
# Vanura 2121 Megatrum (997879 BC)
# Vanura 2121 Megatrum Server (997879 BC)
# Vanura 2221 Megatrum (997779 BC)
# Vanura 3021 Megatrum (996979 BC)
# Vanura 3021 Megatrum Server (996979 BC)
# Vanura 4021 Megatrum (995979 BC)
# Vanura 12021 Megatrum (987979 BC)
# Vanura 20021 Megatrum (907979 BC)
# Vanura 100021 Megatrum (899979 BC)
# Vanura 2021 Ninth Lakannithum (897979 BC) 
# Vanura 200021 Megatrum (799979 BC)
# Vanura 2021 Eighth Lakannithum (797979 BC)
# Vanura 2021 Seventh Lakannithum (697979 BC)
# Vanura 2021 Sixth Lakannithum (597979 BC)
# Vanura 2021 Fifth Lakannithum (497979 BC)
# Vanura 2021 Half-Megatrum (497979 BC) 
# Vanura 2021 Half-Megatrum Server (497979 BC)
# Vanura 2021 Fourth Lakannithum (397979 BC)
# Vanura 2021 Third Lakannithum (297979 BC)
# Vanura 2021 2.5s Lakannithum (247979 BC)
# Vanura 2021 Quarter-Megatrum (247979 BC)
# Vanura 2021 Second Lakannithum (197979 BC)
# Vanura 2021 Second Lakannithum Server (197979 BC)
# Vanura 2021 1.5s Lakannithum (147979 BC)
# Vanura 2021 Lakannithum Beta (97980 BC)
# Vanura 2021 Lakannithum (97979 BC)
# Vanura 2021 Lakannithum Professional (97979 BC)
# Vanura 2021 Lakannithum Ultimate (97979 BC)
# Vanura 2021 Lakannithum Server (97979 BC)
# Vanura 2021 Lakannithum Ultraserver (97979 BC)
# Vanura 2021 Tenth Myriannithum (97979 BC)
# Vanura 2021 Lakannithum Second Edition (97976 BC)
# Vanura 2021 Lakannithum Server R2 (97976 BC)
# Vanura 2121 Lakannithum (97879 BC)
# Vanura 2121 Lakannithum Server (97879 BC)
# Vanura 2221 Lakannithum (97779 BC)
# Vanura 3021 Lakannithum (96979 BC)
# Vanura 3021 Lakannithum Server (96979 BC)
# Vanura 4021 Lakannithum (95979 BC)
# Vanura 12021 Lakannithum (87979 BC) 
# Vanura 2021 Ninth Myriannithum (87979 BC)
# Vanura 20021 Lakannithum (79979 BC)
# Vanura 2021 Eighth Myriannithum (77979 BC)
# Vanura 2021 Seventh Myriannithum (67979 BC)
# Vanura 2021 Sixth Myriannithum (57979 BC)
# Vanura 2021 Fifth Myriannithum (47979 BC)
# Vanura 2021 Half-Lakannithum (47979 BC)
# Vanura 2021 Half-Lakannithum Server (47979 BC)
# Vanura 2021 Fourth Myriannithum (37979 BC)
# Vanura 2021 Third Myriannithum (27979 BC)
# Vanura 2021 Quarter-Lakannithum (22979 BC)
# Vanura 2021 2.5s Myriannithum (22979 BC)
# Vanura 2021 Second Myriannithum (17979 BC)
# Vanura 2021 Second Myriannithum Server (17979 BC)
# Vanura 2021 1.5s Myriannithum (12979 BC)
# Vanura 2021 Myriannithum Beta (7980 BC)
# Vanura 2021 Myriannithum (7979 BC)
# Vanura 2021 Myriannithum Professional (7979 BC)
# Vanura 2021 Myriannithum Ultimate (7979 BC)
# Vanura 2021 Myriannithum Server (7979 BC)
# Vanura 2021 Myriannithum Ultraserver (7979 BC)
# Vanura 2021 Tenth Millennithum (7979 BC)
# Vanura 2021 Myriannithum Second Edition (7976 BC)
# Vanura 2021 Myriannithum Server R2 (7976 BC)
# Vanura 2121 Myriannithum (7879 BC)
# Vanura 2121 Myriannithum Server (7879 BC)
# Vanura 2221 Myriannithum (7779 BC)
# Vanura 2021 Ninth Millennithum (6979 BC)
# Vanura 3021 Myriannithum (6979 BC)
# Vanura 3021 Myriannithum Server (6979 BC)
# Vanura 2021 Eighth Millennithum (5979 BC)
# Vanura 4021 Myriannithum (5979 BC)
# Vanura 2021 Seventh Millennithum (4979 BC)
# Vanura 2021 Sixth Millennithum (3979 BC)
# Vanura 2021 Fifth Millennithum (2979 BC)
# Vanura 2021 Half-Myriannithum (2979 BC)
# Vanura 2021 Half-Myriannithum Server (2979 BC)
# Vanura 2021 BC (2021 BC)
# Vanura 2021 Fourth Millennithum (1979 BC)
# Vanura 2021 Third Millennithum (979 BC)
# Vanura 2021 2.5s Millennithum (479 BC)
# Vanura 2021 Quarter-Myriannithum (479 BC)
# Vanura 2021 Second Millennithum (21)
# Vanura 2021 Second Millennithum Server (21)
# Vanura 100021 Lakannithum (21)
# Vanura 2021 1.5s Millennithum (521)
# Vindaugus 2021 Millennithum Beta (1020)
# Vindaugus 2021 Millennithum (1021)
# Vindaugus 2021 Millennithum Professional (1021)
# Vindaugus 2021 Millennithum Ultimate (1021)
# Vindaugus 2021 Millennithum Server (1021)
# Vindaugus 2021 Millennithum Ultraserver (1021)
# Vindaugus 2021 Tenth Centurithum (1021)
# Vindaugus 2121 1.1s Millennithum (1021)
# Vindaugus 2221 1.2s Millennithum (1021)
# Vindaugus 3021 Second Millennithum (1021)
# Vindaugus 4021 Third Millennithum (1021)
# Vindaugus 12021 1.1s Myriannithum (1021)
# Vindaugus 20021 1.9s Myriannithum (1021)
# Vindaugus 100021 9.9s Myriannithum (1021)
# Vindaugus 200021 1.99s Lakannithum (1021)
# Vindaugus 2000021 1.999s Megannatrum (1021)
# Vindaugus 2000000021 1.999999s Gigannatrum (1021)
# Vindaugus 1021 (1021)
# Vindaugus 1021 Server (1021)
# Vindaugus 2021 Millennithum Second Edition (1024)
# Vindaugus 2021 Millennithum Server R2 (1024)
# Vindaugus 2021 Ninth Centurithum (1121)
# Vindaugus 2121 Millennithum (1121)
# Vindaugus 2021 Eighth Centurithum (1221)
# Vindaugus 2221 Millennithum (1221)
# Vinda 2021 Pre-Millennithum (1271)
# Vinda 2021 Seventh Centurithum (1321)
# Vinda 2021 Sixth Centurithum (1421)
# Vinda 2021 Fifth Centurithum (1521)
# Vinda 2021 Half-Millennithum (1521)
# Vinda 2021 Half-Millennithum Server (1521)
# Vinda 2021 Fourth Centurithum (1621)
# Vinda 2021 Third Centurithum (1721)
# Vinda 2021 2.5s Centurithum (1771)
# Vinda 2021 Quarter-Millennithum (1771)
# EngineOS Pre-2021 (1821)
# EngineOS 2021 Second Centurithum (1821)
# EngineOS 2021 Second Centurithum Server (1821)
# EngineOS 2021 Yanki (1840)
# EngineOS 2021 Anizad (1842)
# EngineOS 2021 Vandrad (1844)
# EngineOS 2021 Ziad (1846)
# EngineOS 2021 Letod (1848)
# EngineOS 2021 Yuium (1850)
# EngineOS 2021 Quattan (1852)
# EngineOS 2021 Azvatan (1854)
# EngineOS 2021 Berzekin (1856)
# EngineOS 2021 Gizet (1858)
# EngineOS 2021 Astron (1860)
# EngineOS 2021 Vestron (1862)
# EngineOS 2021 Sunkan (1864)
# EngineOS 2021 Coret (1866)
# EngineOS 2021 Deltatriom (1868)
# EngineOS 2021 Alphatriom (1870)
# EngineOS 2021 1.5s Centurithum (1871)
# MS-OS 2021 Betatriom (1872)
# MS-OS 2021 Nutznal (1874)
# MS-OS 2021 Carknuth (1876)
# MS-OS 2021 Alth (1878)
# MS-OS 2021 Devouk (1880)
# MS-OS 2021 Autre (1882)
# MS-OS 2021 Fiftoval (1884)
# MS-OS 2021 Monypul (1886)
# MS-OS 2021 Ararhehia (1888)
# MS-OS 2021 Halg (1890)
# MS-OS 2021 Kenia (1892)
# MS-OS 2021 Qmark (1894)
# MS-OS 2021 Ninetre (1896)
# MS-OS 2021 Creth (1898)
# MS-OS 2021 Vlirt (1900)
# MS-OS 2021 Rehsn (1902)
# MS-OS 2021 Xla (1904)
# MS-OS 2021 Crutt (1906)
# MS-OS 2021 Sinco (1908)
# MS-OS 2021 Thiqua (1910)
# MS-OS 2021 Quattun (1912)
# MS-OS 2021 Yolo (1914)
# MS-OS 2021 World War I Start (1914)
# MS-OS 2021 Clite (1916)
# MS-OS 2021 Tlim (1918)
# MS-OS 2021 World War I End (1918)
# MS-OS 2021 Firas (1920)
# MS-OS 2021 Centurithum Beta (1920)
# MS-OS 2021 Centurithum (1921)
# MS-OS 2021 Centurithum Professional (1921)
# MS-OS 2021 Centurithum Ultimate (1921)
# MS-OS 2021 Centurithum Server (1921)
# MS-OS 2021 Centurithum Ultraserver (1921)
# MS-OS 2021 Tenth Decadium (1921)
# MS-OS 2121 Second Centurithum (1921)
# MS-OS 2221 Third Centurithum (1921)
# MS-OS 3021 1.1s Millennithum (1921)
# MS-OS 4021 2.1s Millennithum (1921)
# MS-OS 12021 1.01s Myriannithum (1921)
# MS-OS 20021 1.81s Myriannithum (1921)
# MS-OS 100021 9.81s Myriannithum (1921)
# MS-OS 200021 1.981s Lakannithum (1921)
# MS-OS 2000021 1.9981s Megannatrum (1921)
# MS-OS 2000000021 1.9999981s Gigannatrum (1921)
# MS-OS 1921 (1921)
# MS-OS 1921 Server (1921)
# MS-OS 2021 Spyonclear (1922)
# Spacine OS 2021 Spyon (1924)
# Spacine OS 2021 Airey (1926)
# Spacine OS 2021 Idea (1928)
# Spacine OS 2021 Egri (1930)
# Spacine OS 2021 Ninth Decadium (1931)
# Spacine OS 2021 Omnica (1932)
# Spacine OS 2021 Omne (1934)
# Spacine OS 2021 20th Century Fox OS 1.0 Release Edition (1935)
# Spacine OS 2021 Daroo (1936)
# Spacine OS 2021 Ge (1938)
# Spacine OS 2021 World War II Start (1939)
# Spacine OS 2021 Su (1940)
# Spacine OS 2021 Eighth Decadium (1941)
# Spacine OS 2021 Dex (1942)
# Spacine OS 2021 Dexo (1944)
# Spacine OS 2021 World War II End (1945)
# Spacine OS 2021 Ax (1946)
# Spacine OS 2021 Pre-Centurithum (1946)
# Spacine OS 2021 7.5s Decadium (1946)
# Spacine OS 2021 Cold War Start (1947)
# Spacine OS 2021 Axo (1948)
# Spacine OS 2021 Det (1950)
# Spacine OS 2021 Seventh Decadium (1951)
# Spacine OS 2021 Deto (1952)
# Spacine OS 2021 Mex (1954)
# Spacine OS 2021 Mexo (1956)
# Spacine OS 2021 Pux (1958)
# Gates & Allen OS 2021 Puxo (1960)
# Gates & Allen OS 2021 Sixth Decadium (1961)
# Gates & Allen OS 2021 Valt (1962)
# Gates & Allen OS 2021 Faz (1964)
# Gates & Allen OS 2021 Xarch (1966)
# Interface Manager 2021 Xarcho (1968)
# Interface Manager 2021 Godafest (1970)
# Interface Manager 2021 Fifth Decadium (1971)
# Interface Manager 2021 Half-Centurithum (1971)
# Interface Manager 2021 Half-Centurithum Server (1971)
# Interface Manager 2021 Voden (1972)
# Interface Manager 2021 Vodeno (1974)
# Interface Manager 2021 Microsoft OS 1.0 Release Edition (1975)
# Interface Manager 2021 Wu (1976)
# Interface Manager 2021 Alta (1978)
# Interface Manager 2021 Classic (1980)
# Interface Manager 2021 Fourth Decadium (1981)
# Windows 2021 Indev (1982)
# Windows 2021 Nintendo OS 1.0 Release Edition (1983)
# Windows 2021 T-Series OS 1.0 Release Edition (1983)
# Windows 2021 Infdev (1984)
# Windows 2021 Windows 1.01 Release Edition (1985)
# Windows 2021 Transfdev (1986)
# Windows 2021 Windows 2.03 Release Edition (1987)
# Windows 2021 Transdev (1988)
# Windows 2021 Windows 3.0 Release Edition (1990)
# Windows 2021 Overfdev (1990)
# Windows 2021 Third Decadium (1991)
# Windows 2021 Generathum (1991)
# Windows 2021 Cold War End (1991)
# Windows 2021 Windows 3.1 Release Edition (1992)
# Windows 2021 Dev (1992)
# Windows 2021 Windows NT 3.1 Release Edition (1993)
# Windows 2021 Windows 94 Release Edition (1994)
# Windows 2021 Windows NT 3.5 Release Edition (1994)
# Windows 2021 Overdev (1994)
# Windows 2021 Windows NT 3.51 Release Edition (1995)
# Windows 2021 Windows 95 Release Edition (1995)
# Windows 2021 Buzz Lightyear OS 1.0 Release Edition (1995)
# Windows 2021 Aaj Tak OS 1.0 Release Edition (1995)
# Windows 2021 Test (1996)
# Windows 2021 2.5s Decadium (1996)
# Windows 2021 Quarter-Centurithum (1996)
# Windows 2021 Windows 96 Release Edition (1996)
# Windows 2021 Windows NT 4.0 Release Edition (1996)
# Windows 2021 Windows 97 Release Edition (1997)
# Windows 2021 Windows 98 Release Edition (1998)
# Windows 2021 Prototype (1998)
# Windows 2021 Windows 99 Release Edition (1999)
# Windows 2021 Windows NT 5.0 Release Edition (1999)
# Windows 2021 Windows 2000 Release Edition (1999)
# Windows 2021 SpongeBob SquarePants OS 1.0 Release Edition (1999)
# Windows 2021 Epsilon (2000)
# Windows 2021 Build 2257 (2000)
# Windows 2021 Windows Me Release Edition (2000)
# Windows 2021 Build 2296 (2000)
# Windows 2021 Windows Whistler Release Edition (2000)
# Windows 2021 Build 2419 (2001)
# Windows 2021 Build 2428 (2001)
# Windows 2021 Build 2454 (2001)
# Windows 2021 Build 2457 (2001)
# Windows 2021 Build 2464 (2001)
# Windows 2021 Build 2467 (2001)
# Windows 2021 Build 2470 (2001)
# Windows 2021 Build 2475 (2001)
# Windows 2021 Build 2477 (2001)
# Windows 2021 Build 2479 (2001)
# Windows 2021 Build 2480 (2001)
# Windows 2021 Build 2480.1 (2001)
# Windows 2021 Build 2600 (2001)
# Windows 2021 Shrek OS 1.0 Release Edition (2001)
# Windows 2021 Mike Wazowski OS 1.0 Release Edition (2001)
# Windows 2021 Windows XP Release Edition (2001)
# Windows 2021 Second Decadium (2002)
# Windows 2021 Zirson (2002)
# Windows 2021 Scrat OS 1.0 Release Edition (2002)
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# Windows 300021 (300021)
# Windows 300021 Server (300021)
# Windows 2021 Third Lakannium (302021)
# Windows 2021 Fourth Lakannium (402021)
# Windows 2021 Fifth Lakannium (502021)
# Windows 2021 Half-Megannium (502021)
# Windows 2021 Sixth Lakannium (602021)
# Windows 2021 Seventh Lakannium (702021)
# Windows 2021 Eighth Lakannium (802021)
# Windows 2021 Ninth Lakannium (902021)
# Windows 2021 Tenth Lakannium (1002021)
# Windows 2021 Megannium (1002021)
# Windows 2021 1.5s Megannium (1502021)
# Windows 2021 Windows XT Edition (2000001)
# Windows 2000021 Alpha (2000018)
# Windows 2000021 Beta (2000020)
# Windows 2000021 (2000021)
# Windows 2000021 Professional (2000021)
# Windows 2000021 Ultimate (2000021)
# Windows 2000021 Server (2000021)
# Windows 2000021 Ultraserver (2000021)
# Windows 2021 Megaport (2000021)
# Windows 2021 Embedded 2000021 (2000021)
# Windows 2000021 Second Edition (2000024)
# Windows 2000021 Server R2 (2000024)
# Windows 2000021 End-of-Life (2000031)
# Windows 2021 Second Megannium (2002021)
# Windows 2021 2.5s Megannium (2502021)
# Windows 3000021 (3000021)
# Windows 3000021 Server (3000021)
# Windows 2021 Third Megannium (3002021)
# Windows 2021 Fourth Megannium (4002021)
# Windows 2021 Fifth Megannium (5002021)
# Windows 2021 Sixth Megannium (6002021)
# Windows 2021 Seventh Megannium (7002021)
# Windows 2021 Eighth Megannium (8002021)
# Windows 2021 Ninth Megannium (9002021)
# Windows 2021 Tenth Megannium (10002021)
# Windows 2021 Windows CXT Edition (12000001)
# Windows 20000021 (20000021)
# Windows 20000021 Server (20000021)
# Windows 200000021 (200000021)
# Windows 200000021 Server (200000021)
# Windows 2021 Quarter-Gigannium (250002021)
# Windows 2021 Half-Gigannium (500002021)
# Windows 2021 Gigannium (1000002021)
# Windows 2021 1.5s Gigannium (1500002021)
# Windows 2021 Windows XL Edition (2000000001)
# Windows 2000000021 Alpha (2000000018)
# Windows 2000000021 Beta (2000000020)
# Windows 2000000021 (2000000021)
# Windows 2000000021 Professional (2000000021)
# Windows 2000000021 Ultimate (2000000021)
# Windows 2000000021 Server (2000000021)
# Windows 2000000021 Ultraserver (2000000021)
# Windows 2021 Gigaport (2000000021)
# Windows 2021 Embedded 2000000021 (2000000021)
# Windows 2000000021 Second Edition (2000000024)
# Windows 2000000021 Server R2 (2000000024)
# Windows 2000000021 End-of-Life (2000000031)
# Windows 2021 Second Gigannium (2000002021)
# Windows 2021 2.5s Gigannium (2500002021)
# Windows 3000000021 (3000000021)
# Windows 3000000021 Server (3000000021)
# Windows 2021 Third Gigannium (3000002021)
# Windows 2021 Fourth Gigannium (4000002021)
# Windows 2021 Windows End Edition (4999999997)
# Windows 2021 End Alpha (5000000030)
# Windows 2021 End Beta (5000000032)
# Windows 2021 End (5000000033)
# Windows 2021 End Professional (5000000033)
# Windows 2021 End Ultimate (5000000033)
# Windows 2021 End Server (5000000033)
# Windows 2021 End Ultraserver (5000000033)
# Windows 2021 End End-of-Life (5000000043)
# Windows 2021 Fifth Gigannium (5000002021)
# Windows 2021 Sixth Gigannium (6000002021)
# Windows 2021 Seventh Gigannium (7000002021)
# Windows 2021 End Second Edition (7500000033)
# Windows 2021 End Server R2 (7500000033)
# Windows 2021 Eighth Gigannium (8000002021)
# Windows 2021 Ninth Gigannium (9000002021)
# Windows 2021 Tenth Gigannium (10000002021)
# Windows 2021 Windows CXL Edition (12000000001)
# Windows 2021 Windows GXP Edition (2000000000001)
# Windows 2000000000021 (2000000000021)
# Windows 2000000000021 Server (2000000000021)
# Windows 2021 Teraport (2000000000021)
# Windows 2021 Windows GXT Edition (2000000000000001)
# Windows 2000000000000021 (2000000000000021)
# Windows 2000000000000021 Server (2000000000000021)
# Windows 2021 Petaport (2000000000000021)
# Windows 2021 Windows GXL Edition (2000000000000000001)
# Windows 2000000000000000021 (2000000000000000021)
# Windows 2000000000000000021 Server (2000000000000000021)
# Windows 2021 Death (99999999999999999999)
# Windows 2021 Windows Death Edition (99999999999999999999)
# Windows 2021 Exaport (2000000000000000021)
# Windows 2000000000000000000021 (2000000000000000000021)
# Windows 2021 Zettaport (2000000000000000000021)
# Windows 2000000000000000000000021 (2000000000000000000000021)
# Windows 2021 Yottaport (2000000000000000000000021)
# Windows 2021 Windows Googol Edition (1e+100)
# Windows 2021 Windows Further-XP Edition (1e+2001)
# Windows Further-2021 (1e+2021)
# Windows Further-2021 Server (1e+2021)
# Windows 2021 Windows Vertex Edition (2.7e+20009)
# Windows 2021 Final (13.8e+3000000000000000006-3)
# Windows 2021 Windows Final Edition (13.8e+3000000000000000006-3)
# Windows 2021 Windows Googolplex Edition (1e+1e+100)
# Windows 2021 Infinity OS Edition (1 ATE)
# Windows 2021∞ Alpha (2018 ATE)
# Windows 2021∞ Beta (2020 ATE)
# Windows 2021∞ (2021 ATE)
# Windows 2021∞ Professional (2021 ATE)
# Windows 2021∞ Ultimate (2021 ATE)
# Windows 2021∞ Server (2021 ATE)
# Windows 2021∞ Ultraserver (2021 ATE)
# Windows 2021ATE (2021 ATE)
# Windows 2021.∞ (2021 ATE)
# Windows 2021 Ascended (2021 ATE)
# Windows 2021 Embedded 2021 ATE (2021 ATE) 
# Windows 2121∞ (2121 ATE)
# Windows 2121∞ Server (2121 ATE)
# Windows 2221∞ (2221 ATE)
# Windows 3021∞ (3021 ATE)
# Windows 3021∞ Server (3021 ATE)
# Windows 4021∞ (4021 ATE)
# Windows 12021∞ (12021 ATE)
# Windows 20021∞ (20021 ATE)
# Windows 100021∞ (100021 ATE)
# Windows 200021∞ (200021 ATE)
# Windows 2000021∞ (2000021 ATE)
# Windows 2000000021∞ (2000000021 ATE)
# Windows 2021 YOV (2021 YOV)
# Windows 2021 EEE (2021 EEE)
# Windows 2021 EEE Server (2021 EEE)
# Windows 2021 Embedded 2021 EEE (2021 EEE)
# Windows 2021 EEE+++ (2021 EEE+++) 
# Windows 2021 Final SE (4000000001 EEE+++)
# Windows 2021 YOH (2021 YOH)
# Windows 2021 YOH+++ (2021 YOH+++)
# Windows 2021 Final TE (4000000001 YOH+++)
# Windows 2021 Embedded 2E13800000000 BC (2E13800000000 BC)
# Windows 2E2021 (2E2021)
# Windows 2nd of 2021 Professional (2nd of 2021)
# Windows 2nd of 2021 Ultimate (2nd of 2021)
# Windows 2nd of 2021 Server (2nd of 2021)
# Windows 2nd of 2021 Ultraserver (2nd of 2021)
# Windows 2021∞ (2nd of 2021)
# Windows 2021.∞ (2nd of 2021)
# Windows 2021 Reincarnated is Replace XEX to Xth of X (2nd of 2021)
# Windows 2021 Embedded 2nd of 2021 (2nd of 2021)
# Windows 2nd of 2071 (2nd of 2071)
# Windows 2nd of 2121 (2nd of 2121)
# Windows 2nd of 2121 Server (2nd of 2121)
# Windows 2nd of 2221 (2nd of 2221)
# Windows 2nd of 2321 (2nd of 2321)
# Windows 2nd of 3021 (2nd of 3021)
# Windows 2nd of 3021 Server (2nd of 3021)
# Windows 2nd of 4021 (2nd of 4021)
# Windows 2nd of 5021 (2nd of 5021)
# Windows 2nd of 12021 (2nd of 12021)
# Windows 2nd of 20021 (2nd of 20021)
# Windows 2nd of 100021 (2nd of 100021)
# Windows 2nd of 102021 (2nd of 102021)
# Windows 2nd of 200021 (2nd of 200021)
# Windows 2nd of 2000021 (2nd of 2000021)
# Windows 2nd of 2000000021 (2nd of 2000000021)
# Windows 2nd of 2021 End (2nd of 5000000033)
# Windows 2nd of 2000000000021 (2nd of 2000000000021)
# Windows 2nd of Further-2021 (2nd of 1e+2021)
# Windows 2nd of 2021∞ (2nd of 2021 ATE)
# Windows 2nd of 2021 EEE (2nd of 2021 EEE)
# Windows 3rd of 2021 Alpha (3rd of 2018)
# Windows 3rd of 2021 Beta (3rd of 2020)
# Windows 3rd of 2021 (3rd of 2021)
# Windows 3rd of 2021 Professional (3rd of 2021)
# Windows 3rd of 2021 Ultimate (3rd of 2021)
# Windows 3rd of 2021 Server (3rd of 2021)
# Windows 3rd of 2021 Ultraserver (3rd of 2021)
# Windows 3rd of 2071 (3rd of 2071)
# Windows 3rd of 2121 (3rd of 2121)
# Windows 3rd of 2121 Server (3rd of 2121)
# Windows 3rd of 2221 (3rd of 2221)
# Windows 3rd of 2321 (3rd of 2321)
# Windows 3rd of 3021 (3rd of 3021)
# Windows 3rd of 3021 Server (3rd of 3021)
# Windows 3rd of 4021 (3rd of 4021)
# Windows 3rd of 5021 (3rd of 5021)
# Windows 3rd of 12021 (3rd of 12021)
# Windows 3rd of 20021 (3rd of 20021)
# Windows 3rd of 100021 (3rd of 100021)
# Windows 3rd of 102021 (3rd of 102021)
# Windows 3rd of 200021 (3rd of 200021)
# Windows 3rd of 2000021 (3rd of 2000021)
# Windows 3rd of 2000000021 (3rd of 2000000021)
# Windows 3rd of 2021 End (3rd of 5000000033)
# Windows 3rd of 2000000000021 (3rd of 2000000000021)
# Windows 3rd of Further-2021 (3rd of 1e+2021)
# Windows 4th of 2021 Alpha (4th of 2018)
# Windows 4th of 2021 Beta (4th of 2020)
# Windows 4th of 2021 (4th of 2021)
# Windows 4th of 2021 Professional (4th of 2021)
# Windows 4th of 2021 Ultimate (4th of 2021)
# Windows 4th of 2021 Server (4th of 2021)
# Windows 4th of 2021 Ultraserver (4th of 2021)
# Windows 4th of 2121 (4th of 2121)
# Windows 4th of 2121 Server (4th of 2121)
# Windows 4th of 2221 (4th of 2221)
# Windows 4th of 3021 (4th of 3021)
# Windows 4th of 3021 Server (4th of 3021)
# Windows 4th of 4021 (4th of 4021)
# Windows 4th of 12021 (4th of 12021)
# Windows 4th of 20021 (4th of 20021)
# Windows 4th of 100021 (4th of 100021)
# Windows 4th of 200021 (4th of 200021)
# Windows 4th of 2000021 (4th of 2000021)
# Windows 4th of 2000000021 (4th of 2000000021)
# Windows 5th of 2021 Alpha (5th of 2018)
# Windows 5th of 2021 Beta (5th of 2020)
# Windows 5th of 2021 (5th of 2021)
# Windows 5th of 2021 Professional (5th of 2021)
# Windows 5th of 2021 Ultimate (5th of 2021)
# Windows 5th of 2021 Server (5th of 2021)
# Windows 5th of 2021 Ultraserver (5th of 2021)
# Windows 5th of 2121 (5th of 2121)
# Windows 5th of 2121 Server (5th of 2121)
# Windows 5th of 2221 (5th of 2221)
# Windows 5th of 3021 (5th of 3021)
# Windows 5th of 3021 Server (5th of 3021)
# Windows 5th of 4021 (5th of 4021)
# Windows 5th of 12021 (5th of 12021)
# Windows 5th of 20021 (5th of 20021)
# Windows 5th of 100021 (5th of 100021)
# Windows 5th of 200021 (5th of 200021)
# Windows 5th of 2000021 (5th of 2000021)
# Windows 5th of 2000000021 (5th of 2000000021)
# Windows 6th of 2021 Alpha (6th of 2018)
# Windows 6th of 2021 Beta (6th of 2020)
# Windows 6th of 2021 (6th of 2021)
# Windows 6th of 2021 Professional (6th of 2021)
# Windows 6th of 2021 Ultimate (6th of 2021)
# Windows 6th of 2021 Server (6th of 2021)
# Windows 6th of 2021 Ultraserver (6th of 2021)
# Windows 6th of 2121 (6th of 2121)
# Windows 6th of 2121 Server (6th of 2121)
# Windows 6th of 2221 (6th of 2221)
# Windows 6th of 3021 (6th of 3021)
# Windows 6th of 3021 Server (6th of 3021)
# Windows 6th of 4021 (6th of 4021)
# Windows 6th of 12021 (6th of 12021)
# Windows 6th of 20021 (6th of 20021)
# Windows 6th of 100021 (6th of 100021)
# Windows 6th of 200021 (6th of 200021)
# Windows 6th of 2000021 (6th of 2000021)
# Windows 6th of 2000000021 (6th of 2000000021)
# Windows 7th of 2021 Alpha (7th of 2018)
# Windows 7th of 2021 Beta (7th of 2020)
# Windows 7th of 2021 (7th of 2021)
# Windows 7th of 2021 Professional (7th of 2021)
# Windows 7th of 2021 Ultimate (7th of 2021)
# Windows 7th of 2021 Server (7th of 2021)
# Windows 7th of 2021 Ultraserver (7th of 2021)
# Windows 7th of 2121 (7th of 2121)
# Windows 7th of 2121 Server (7th of 2121)
# Windows 7th of 2221 (7th of 2221)
# Windows 7th of 3021 (7th of 3021)
# Windows 7th of 3021 Server (7th of 3021)
# Windows 7th of 4021 (7th of 4021)
# Windows 7th of 12021 (7th of 12021)
# Windows 7th of 20021 (7th of 20021)
# Windows 7th of 100021 (7th of 100021)
# Windows 7th of 200021 (7th of 200021)
# Windows 7th of 2000021 (7th of 2000021)
# Windows 7th of 2000000021 (7th of 2000000021)
# Windows 8th of 2021 Alpha (8th of 2018)
# Windows 8th of 2021 Beta (8th of 2020)
# Windows 8th of 2021 (8th of 2021)
# Windows 8th of 2021 Professional (8th of 2021)
# Windows 8th of 2021 Ultimate (8th of 2021)
# Windows 8th of 2021 Server (8th of 2021)
# Windows 8th of 2021 Ultraserver (8th of 2021)
# Windows 8th of 2121 (8th of 2121)
# Windows 8th of 2121 Server (8th of 2121)
# Windows 8th of 2221 (8th of 2221)
# Windows 8th of 3021 (8th of 3021)
# Windows 8th of 3021 Server (8th of 3021)
# Windows 8th of 4021 (8th of 4021)
# Windows 8th of 12021 (8th of 12021)
# Windows 8th of 20021 (8th of 20021)
# Windows 8th of 100021 (8th of 100021)
# Windows 8th of 200021 (8th of 200021)
# Windows 8th of 2000021 (8th of 2000021)
# Windows 8th of 2000000021 (8th of 2000000021)
# Windows 9th of 2021 Alpha (9th of 2018)
# Windows 9th of 2021 Beta (9th of 2020)
# Windows 9th of 2021 (9th of 2021)
# Windows 9th of 2021 Professional (9th of 2021)
# Windows 9th of 2021 Ultimate (9th of 2021)
# Windows 9th of 2021 Server (9th of 2021)
# Windows 9th of 2021 Ultraserver (9th of 2021)
# Windows 9th of 2121 (9th of 2121)
# Windows 9th of 2121 Server (9th of 2121)
# Windows 9th of 2221 (9th of 2221)
# Windows 9th of 3021 (9th of 3021)
# Windows 9th of 3021 Server (9th of 3021)
# Windows 9th of 4021 (9th of 4021)
# Windows 9th of 12021 (9th of 12021)
# Windows 9th of 20021 (9th of 20021)
# Windows 9th of 100021 (9th of 100021)
# Windows 9th of 200021 (9th of 200021)
# Windows 9th of 2000021 (9th of 2000021)
# Windows 9th of 2000000021 (9th of 2000000021)
# Windows 10th of 2021 Alpha (10th of 2018)
# Windows 10th of 2021 Beta (10th of 2020)
# Windows 10th of 2021 (10th of 2021)
# Windows 10th of 2021 Professional (10th of 2021)
# Windows 10th of 2021 Ultimate (10th of 2021)
# Windows 10th of 2021 Server (10th of 2021)
# Windows 10th of 2021 Ultraserver (10th of 2021)
# Windows 10th of 2121 (10th of 2121)
# Windows 10th of 2121 Server (10th of 2121)
# Windows 10th of 2221 (10th of 2221)
# Windows 10th of 3021 (10th of 3021)
# Windows 10th of 3021 Server (10th of 3021)
# Windows 10th of 4021 (10th of 4021)
# Windows 10th of 12021 (10th of 12021)
# Windows 10th of 20021 (10th of 20021)
# Windows 10th of 100021 (10th of 100021)
# Windows 10th of 200021 (10th of 200021)
# Windows 10th of 2000021 (10th of 2000021)
# Windows 10th of 2000000021 (10th of 2000000021)
# Windows 11th of 2021 (11th of 2021)
# Windows 11th of 2021 Server (11th of 2021)
# Windows 11th of 2121 (11th of 2121)
# Windows 11th of 3021 (11th of 2121)
# Windows 12th of 2021 (12th of 2021)
# Windows 12th of 2021 Server (12th of 2021)
# Windows 12th of 2121 (12th of 2121)
# Windows 12th of 3021 (12th of 3021)
# Windows 13th of 2021 (13th of 2021)
# Windows 13th of 2021 Server (13th of 2021)
# Windows 13th of 2121 (13th of 2121)
# Windows 13th of 3021 (13th of 2121)
# Windows 14th of 2021 (14th of 2021)
# Windows 14th of 2021 Server (14th of 2021)
# Windows 14th of 2121 (14th of 2121)
# Windows 14th of 3021 (14th of 3021)
# Windows 15th of 2021 (15th of 2021)
# Windows 15th of 2021 Server (15th of 2021)
# Windows 15th of 2121 (15th of 2121)
# Windows 15th of 3021 (15th of 2121)
# Windows 20th of 2021 (20th of 2021)
# Windows 20th of 2021 Server (20th of 2021)
# Windows 20th of 2121 (20th of 2121)
# Windows 20th of 3021 (20th of 3021)
# Windows 25th of 2021 (25th of 2021)
# Windows 30th of 2021 (30th of 2021)
# Windows 40th of 2021 (40th of 2021)
# Windows 50th of 2021 (50th of 2021)
# Windows 75th of 2021 (75th of 2021)
# Windows 100th of 2021 (100th of 2021)
# Windows 125th of 2021 (125th of 2021)
# Windows 150th of 2021 (150th of 2021)
# Windows 200th of 2021 (200th of 2021)
# Windows 250th of 2021 (250th of 2021)
# Windows 300th of 2021 (300th of 2021)
# Windows 400th of 2021 (400th of 2021)
# Windows 500th of 2021 (500th of 2021)
# Windows 750th of 2021 (750th of 2021)
# Windows 1000th of 2021 (1000th of 2021)
# Windows 1500th of 2021 (1500th of 2021)
# Windows 2000th of 2021 (2000th of 2021)
# Windows 2021 Cycle Alpha (2018th of 1)
# Windows 2021 Cycle Beta (2020th of 1)
# Windows 2021 Cycle (2021st of 1)
# Windows 2021 Cycle Professional (2021st of 1)
# Windows 2021 Cycle Ultimate (2021st of 1)
# Windows 2021 Cycle Server (2021st of 1)
# Windows 2021 Cycle Ultraserver (2021st of 1)
# Windows 2021 Embedded 2021st of 1 (2021st of 1)
# Windows 2021st of 2021 Alpha (2021st of 2018)
# Windows 2021st of 2021 Beta (2021st of 2020)
# Windows 2021st of 2021 (2021st of 2021)
# Windows 2021st of 2021 Professional (2021st of 2021)
# Windows 2021st of 2021 Ultimate (2021st of 2021)
# Windows 2021st of 2021 Server (2021st of 2021)
# Windows 2021st of 2021 Ultraserver (2021st of 2021)
# Windows 2021 Embedded 2021st of 2021 (2021st of 2021)
# Windows 2021st of 2021 Second Edition (2021st of 2024)
# Windows 2021st of 2021 Server R2 (2021st of 2024)
# Windows 2021 Ultracycle Second Edition (2024th of 1)
# Windows 2021 Ultracycle Server R2 (2024th of 1)
# Windows 2121 Ultracycle (2121st of 1)
# Windows 2121 Ultracycle Server (2121st of 1)
# Windows 2121st of 2121 (2121st of 2121)
# Windows 2121st of 2121 Server (2121st of 2121)
# Windows 2221 Ultracycle (2221st of 1)
# Windows 2221st of 2221 (2221st of 2221)
# Windows 2500th of 2021 (2500th of 2521)
# Windows 3000th of 2021 (3000th of 2021)
# Windows 3021 Ultracycle (3021st of 1)
# Windows 3021 Ultracycle Server (3021st of 1)
# Windows 3021st of 3021 (3021st of 3021)
# Windows 3021st of 3021 Server (3021st of 3021)
# Windows 4021 Ultracycle (4021st of 1)
# Windows 4021st of 4021 (4021st of 4021)
# Windows 5000th of 2021 (5000th of 2021)
# Windows 7500th of 2021 (7500th of 2021)
# Windows 10000th of 2021 (10000th of 2021)
# Windows 12021 Ultracycle (12021st of 1)
# Windows 12021st of 12021 (12021st of 12021)
# Windows 20000th of 2021 (20000th of 2021)
# Windows 20021 Ultracycle (20021st of 1)
# Windows 20021st of 20021 (20021st of 20021)
# Windows 50000th of 2021 (50000th of 2021)
# Windows 100000th of 2021 (100000th of 2021)
# Windows 100021 Ultracycle (100021st of 1)
# Windows 100021st of 100021 (100021st of 100021)
# Windows 200000th of 2021 (200000th of 2021)
# Windows 200021 Ultracycle (200021st of 1)
# Windows 200021st of 200021 (200021st of 200021)
# Windows 500000th of 2021 (500000th of 2021)
# Windows 1000000th of 2021 (1000000th of 2021)
# Windows 2000000th of 2021 (2000000th of 2021)
# Windows 2000021 Ultracycle (2000021st of 1)
# Windows 2000021st of 2000021 (2000021st of 2000021)
# Windows 5000000th of 2021 (5000000th of 2021)
# Windows 10000000th of 2021 (10000000th of 2021)
# Windows 20000000th of 2021 (20000000th of 2021)
# Windows 50000000th of 2021 (50000000th of 2021)
# Windows 100000000th of 2021 (100000000th of 2021)
# Windows 200000000th of 2021 (200000000th of 2021)
# Windows 500000000th of 2021 (500000000th of 2021)
# Windows 1000000000th of 2021 (1000000000th of 2021)
# Windows 2000000021 Ultracycle (2000000021st of 1)
# Windows 2000000021st of 2000000021 (2000000021st of 2000000021)
# Windows Trillionth of 2021 (10^12th of 2021)
# Windows Quadrillionth of 2021 (10^15th of 2021)
# Windows Quintillionth of 2021 (10^18th of 2021)
# Windows Sextillionth of 2021 (10^21th of 2021)
# Windows Septillionth of 2021 (10^24th of 2021)
# Windows Octillionth of 2021 (10^27th of 2021)
# Windows Nonillionth of 2021 (10^30th of 2021)
# Windows Decillionth of 2021 (10^33th of 2021)
# Windows Undecillionth of 2021 (10^36th of 2021)
# Windows Duodecillionth of 2021 (10^39th of 2021)
# Windows Tredecillionth of 2021 (10^42th of 2021)
# Windows Quattuordecillionth of 2021 (10^45th of 2021)
# Windows Quindecillionth of 2021 (10^48th of 2021)
# Windows Sexdecillionth of 2021 (10^51th of 2021)
# Windows Septendecillionth of 2021 (10^54th of 2021)
# Windows Octodecillionth of 2021 (10^57th of 2021)
# Windows Novemdecillionth of 2021 (10^60th of 2021)
# Windows Vigintillionth of 2021 (10^63th of 2021)
# Windows Unvigintillionth of 2021 (10^66th of 2021)
# Windows Duovigintillionth of 2021 (10^69th of 2021)
# Windows Trevigintillionth of 2021 (10^72th of 2021)
# Windows Quattuorvigintillionth of 2021 (10^75th of 2021)
# Windows Quinvigintillionth of 2021 (10^78th of 2021)
# Windows Sexvigintillionth of 2021 (10^81th of 2021)
# Windows Septenvigintillionth of 2021 (10^84th of 2021)
# Windows Octovigintillionth of 2021 (10^87th of 2021)
# Windows Novemvigintillionth of 2021 (10^90th of 2021)
# Windows Trigintillionth of 2021 (10^93th of 2021)
# Windows Untrigintillionth of 2021 (10^96th of 2021)
# Windows Duotrigintillionth of 2021 (10^99th of 2021)
# Windows Googolth of 2021 (10^100th of 2021)
# Windows Tretrigintillionth of 2021 (10^102th of 2021)
# Windows Quattuortrigintillionth of 2021 (10^105th of 2021)
# Windows Quintrigintillionth of 2021 (10^108th of 2021)
# Windows Sextrigintillionth of 2021 (10^111th of 2021)
# Windows Septentrigintillionth of 2021 (10^114th of 2021)
# Windows Octatrigintillionth of 2021 (10^117th of 2021)
# Windows Novemtrigintillionth of 2021 (10^120th of 2021)
# Windows Quadragintillionth of 2021 (10^123th of 2021)
# Windows Quinquagintillionth of 2021 (10^153th of 2021)
# Windows Sexagintillionth of 2021 (10^183th of 2021)
# Windows Septuagintillionth of 2021 (10^213th of 2021)
# Windows Octagintillionth of 2021 (10^243th of 2021)
# Windows Nonagintillionth of 2021 (10^273th of 2021)
# Windows Centillionth of 2021 (10^303th of 2021)
# Windows Ducentillionth of 2021 (10^603th of 2021)
# Windows Trecentillionth of 2021 (10^903th of 2021)
# Windows Quadringentillionth of 2021 (10^1203th of 2021)
# Windows Quingentillionth of 2021 (10^1503th of 2021)
# Windows Sescentillionth of 2021 (10^1803th of 2021)
# Windows Septingentillionth of 2021 (10^2103th of 2021)
# Windows Octingentillionth of 2021 (10^2403th of 2021)
# Windows Nongentillionth of 2021 (10^2703th of 2021)
# Windows Millillionth of 2021 (10^3003th of 2021)
# Windows Dumillillionth of 2021 (10^6003th of 2021)
# Windows Trimillillionth of 2021 (10^9003th of 2021)
# Windows Quadrimillillionth of 2021 (10^12003th of 2021)
# Windows Quinmillillionth of 2021 (10^15003th of 2021)
# Windows Sexmillillionth of 2021 (10^18003th of 2021)
# Windows Septimillillionth of 2021 (10^21003th of 2021)
# Windows Octimillillionth of 2021 (10^24003th of 2021)
# Windows Nonimillillionth of 2021 (10^27003th of 2021)
# Windows Myrillionth of 2021 (10^30003th of 2021)
# Windows Centimillillionth of 2021 (10^300003th of 2021)
# Windows Micrillionth of 2021 (10^3000003th of 2021)
# Windows Nanillionth of 2021 (10^3000000003th of 2021)
# Windows Picillionth of 2021 (10^3000000000003th of 2021)
# Windows Femtillionth of 2021 (10^3000000000000003th of 2021)
# Windows Attillionth of 2021 (10^3000000000000000003th of 2021)
# Windows 2021 Second End-of-All (13.8e+3000000000000000006-1th of 13.8e+3000000000000000006-4)
# Windows Zeptillionth of 2021 (10^3000000000000000000003th of 2021)
# Windows Yoctillionth of 2021 (10^3000000000000000000000003th of 2021)
# Windows Googolplexth of 2021 (10^10^100th of 2021)
# Windows Googolduplexth of 2021 (10^10^10^100th of 2021)
# Windows Googoltriplexth of 2021 (10^10^10^10^100th of 2021)
# Windows 2021 X_X (∞E0)
# Windows 2021 Embedded ∞E0 (∞E0)
# Windows 1st ATE of 2021 (1st ATE of 2021)
# Windows 2021st ATE of 2021 (2021st ATE of 2021)
# Windows 1st YOV of 2021 (1st YOV of 2021)
# Windows 1st EEE of 2021 (1st EEE of 2021)
# Windows 1st EEE+++ of 2021 (1st EEE+++ of 2021)
# Windows 1st YOH of 2021 (1st YOH of 2021)
# Windows 1st YOH+++ of 2021 (1st YOH+++ of 2021)
# Windows 2nd of 1 of 2021 (2nd of 1 of 2021)
# Windows 2nd of 1 of 2021 Server (2nd of 1 of 2021)
# Windows 2nd of 1 of 2121 (2nd of 1 of 2121)
# Windows 2nd of 1 of 3021 (2nd of 1 of 3021)
# Windows 2nd of 2 of 2021 (2nd of 2 of 2021)
# Windows 2nd of 5 of 2021 (2nd of 5 of 2021)
# Windows 2nd of 10 of 2021 (2nd of 5 of 2021)
# Windows 2nd of 2021 Ultracycle (2nd of 2021 of 1)
# Windows 2nd of 2021 of 2021 (2nd of 2021 of 2021)
# Windows 2nd of 1 ATE of 2021 (2nd of 1 ATE of 2021)
# Windows 3rd of 1 of 2021 (3rd of 1 of 2021)
# Windows 3rd of 2 of 2021 (3rd of 2 of 2021)
# Windows 3rd of 5 of 2021 (3rd of 5 of 2021)
# Windows 3rd of 10 of 2021 (3rd of 10 of 2021)
# Windows 3rd of 2021 Ultracycle (3rd of 2021 of 1)
# Windows 3rd of 2021 of 2021 (3rd of 2021 of 2021)
# Windows 4th of 1 of 2021 (4th of 1 of 2021)
# Windows 5th of 1 of 2021 (5th of 1 of 2021)
# Windows 10th of 1 of 2021 (10th of 1 of 2021)
# Windows 20th of 1 of 2021 (20th of 1 of 2021)
# Windows 50th of 1 of 2021 (50th of 1 of 2021)
# Windows 100th of 1 of 2021 (100th of 1 of 2021)
# Windows 2021 Ultracycles (2021st of 1 of 1)
# Windows 2021st of 1 of 2021 (2021st of 1 of 2021)
# Windows 2021st of 2021 Ultracycle (2021st of 2021 of 1)
# Windows 2021st of 2021 of 2021 (2021st of 2021 of 2021)
# Windows 2nd of 1 of 1 of 2021 (2nd of 1 of 1 of 2021)
# Windows 2021 Super Ultracycles (2021st of 1 of 1 of 1)
# Windows 2021st of 1 of 1 of 2021 (2021st of 1 of 1 of 2021)
# Windows 2021st of 2021 of 2021 of 2021 (2021st of 2021 of 2021 of 2021)
# Windows 2021 Hyper Ultracycles (2021st of 1 of 1 of 1 of 1)
# Windows 2021 Ultra Ultracycles (2021st of 1 of 1 of 1 of 1 of 1)
# Windows 2021 Mega Ultracycles (2021st Δ7)
# Windows 2021 Super Mega Ultracycles (2021st Δ8)
# Windows 2021 Hyper Mega Ultracycles (2021st Δ9)
# Windows 2021 Ultra Mega Ultracycles (2021st Δ10)
# Windows 2021 Giga Ultracycles (2021st Δ11)
# Windows 2021 Super Giga Ultracycles (2021st Δ12)
# Windows 2021 Hyper Giga Ultracycles (2021st Δ13)
# Windows 2021 Ultra Giga Ultracycles (2021st Δ14)
# Windows 2021 The Most Ultracycles (2021st Δ15)
# Windows 2021 The Most Super Ultracycles (2021st Δ16) 
# Windows 2021 The Most Hyper Ultracycles (2021st Δ17)
# Windows 2021 The Most Ultra Ultracycles (2021st Δ18)
# Windows 2021 The Most Mega Ultracycles (2021st Δ19)
# Windows 2021 The Most Giga Ultracycles (2021st Δ20)
# Windows 2021 The Moster Ultracycles (2021st Δ21)
# Windows 2021 The Moster Super Ultracycles (2021st Δ22)
# Windows 2021 The Moster Hyper Ultracycles (2021st Δ23)
# Windows 2021 The Moster Ultra Ultracycles (2021st Δ24)
# Windows 2021 The Moster Mega Ultracycles (2021st Δ25)
# Windows 2021 The Moster Giga Ultracycles (2021st Δ26)
# Windows 2021 The Mostest Ultracycles (2021st Δ27)
# Windows 2021 The Mostest Super Ultracycles (2021st Δ28)
# Windows 2021 The Mostest Hyper Ultracycles (2021st Δ29)
# Windows 2021 The Mostest Ultra Ultracycles (2021st Δ30)
# Windows 2021 The Mostest Mega Ultracycles (2021st Δ31)
# Windows 2021 The Mostest Giga Ultracycles (2021st Δ32)
# Windows 2021st Δ2021 (2021st Δ2021)
# Windows 2021st Δ2021 Server (2021st Δ2021)
# Windows 2121st Δ2121 (2121st Δ2121)
# Windows 3021st Δ3021 (3021st Δ3021)
# Windows 2021 True X_X (2021st Δ∞)
# Windows 2021st Δ2nd of 2021 (2021st Δ2nd of 2021)
# Windows 2021st Δ2021st of 2021 (2021st Δ2021st of 2021)
# Windows 2021st Δ2021st Δ2021 (2021st Δ2021st Δ2021)
# Windows 2021st Δ2021st Δ2021st Δ2021 (2021st Δ2021st Δ2021st Δ2021)
# Windows 2021st Δ2021st Δ2021st Δ2021st Δ2021 (2021st Δ2021st Δ2021st Δ2021st Δ2021)
# Windows 2021st Δ^2 2021 (2021st Δ^2 2021)
# Windows 2021st Δ^3 2021 (2021st Δ^3 2021)
# Windows 2021st Δ^4 2021 (2021st Δ^4 2021)
# Windows 2021st Δ^5 2021 (2021st Δ^5 2021)
# Windows 2021st Δ^10 2021 (2021st Δ^10 2021)
# Windows 2021st Δ^20 2021 (2021st Δ^20 2021)
# Windows 2021st Δ^50 2021 (2021st Δ^50 2021)
# Windows 2021st Δ^100 2021 (2021st Δ^100 2021)
# Windows 2021st Δ^2021 2021 (2021st Δ^2021 2021)
# Windows 2021st ΔΔ2021 (2021st ΔΔ2021)
# Windows 2021st ΔΔΔ2021 (2021st ΔΔΔ2021)
# Windows 2021st ΔΔΔΔ2021 (2021st ΔΔΔΔ2021)
# Windows 2021st ΔΔΔΔΔ2021 (2021st ΔΔΔΔΔ2021)
# Windows 2021st Δ 10 Times 2021 (2021st Δ×10 2021)
# Windows 2021st Δ 20 Times 2021 (2021st Δ×20 2021)
# Windows 2021st Δ 50 Times 2021 (2021st Δ×50 2021)
# Windows 2021st Δ 100 Times 2021 (2021st Δ×100 2021)
# Windows 2021st Δ 2021 Times 2021 (2021st Δ×2021 2021)
# Windows 2021st η2021 (2021st η2021)
# Windows 2021 Embedded 13800000000 BC/.1 (13800000000 BC/.1)
# Windows 2021/.1 (2021/.1)
# Windows 2021/.1 Server (2021/.1)
# Windows 2021 Supercycle (1/.2021)
# Windows 2021 Supercycle Server (1/.2021)
# Windows 2021/.2021 Alpha (2018/.2021)
# Windows 2021/.2021 Beta (2020/.2021)
# Windows 2021/.2021 (2021/.2021)
# Windows 2021/.2021 Professional (2021/.2021)
# Windows 2021/.2021 Ultimate (2021/.2021)
# Windows 2021/.2021 Server (2021/.2021)
# Windows 2021/.2021 Ultraserver (2021/.2021)
# Windows 2021/.2021 Second Edition (2024/.2021)
# Windows 2021/.2021 Server R2 (2024/.2021)
# Windows 2021/.2021 End-of-Life (2031/.2021)
# Megacycles oo BC#-????
# Windows 2021# (2021#)
# Windows 2021 Megacycle (2021#2021)
# Windows 2021Δ2021 Alpha (2021#2021#2021#2 BC)
# is Deltacycle Time
# Windows 2021Δ2021 Beta (2021Δ+2020)
# Windows 2021Δ2021 (2021Δ+2021)
# Windows 2021Δ Professional (2021Δ+2021)
# Windows 2021Δ2021 Ultimate (2021Δ+2021)
# Windows 2021Δ2021 Server (2021Δ+2021)
# Windows 2021Δ2021 Ultraserver (2021Δ+2021)
# Windows 2021Δ2021 Second Edition (2021Δ+2024)
# Windows 2021Δ2021 Server R2 (2021Δ+2024)
# Windows 2021Δ2021 End-of-Life (2021Δ+2031)
# Windows 2021z (2021z)
# TLOE Time
# Windows 2021 0_0 (1α)
# Windows 2021α (2021α)
# Windows 2021ø (2021ø)
# Windows 2021ǿ (2021ǿ)
# Windows 2021 Pretty (2021 Pretty)
# Windows 2021 True End-of-All (_plex u^_plex)
# Gigacycle Time
# Windows 2021 Embedded 2nd of 13800000000 BC (2nd of 13800000000 BC)
# Windows 2nd of 2021 Gigatrum (2nd of 999997979 BC)
# Windows 2nd of 2021 Megatrum (2nd of 997979 BC) 
# Windows 2nd of 2021 Lakannithum (2nd of 97979 BC)
# Windows 2nd of 2021 Myriannithum (2nd of 7979 BC) 
# Windows 2nd of 2021 Millennithum (2nd of 1021)
# Windows 2nd of 1021 (2nd of 1021)
# Windows 2nd of 2021 Centurithum (2nd of 1921)
# Windows 2nd of 1921 (2nd of 1921)
# Windows 2nd of 2021 Decadium (2nd of 2011)
# Windows 2nd of 2021 Alpha (2nd of 2018)
# Windows 2nd of 2021 Beta (2nd of 2020)
# Windows 2nd of 2021 (2nd of 2021)
# Windows 2E2021 Server (2E2021)
# Windows 2021∞ (2E2021)
# Windows 2021.∞ (2E2021)
# Windows 2021 Revived (2E2021)
# Windows 2021 Embedded 2E2021 (2E2021)
# Windows 3E2021 (3E2021)
# Windows 2021 Gigacycle (2021E1)
# Windows 2021 Gigacycle Server (2021E1)
# Windows 2021 Embedded 2021E1 (2021E1)
# Windows 2021E2021 Alpha (2021E2018)
# Windows 2021E2021 Beta (2021E2020)
# Windows 2021E2021 (2021E2021)
# Windows 2021E2021 Professional (2021E2021)
# Windows 2021E2021 Ultimate (2021E2021)
# Windows 2021E2021 Server (2021E2021)
# Windows 2021E2021 Ultraserver (2021E2021)
# Windows 2021 Embedded 2021E2021 (2021E2021)
# Windows 2021E2021 Second Edition (2021E2024)
# Windows 2021E2021 Server R2 (2021E2024)
# Windows 2021E2021 End-of-Life (2021E2031)
# Windows 2021 Very True End-of-All (13.8e+3000000000000000006-1E13.8e+3000000000000000006-4)
# Windows 2021 Real X_X (∞E0)
# Windows 2021 Windows Real X_X Edition (∞E0)
# Windows 2021 Embedded ∞E0 (∞E0) 
# Teracycle time
# Windows 1/0+2021 (1/0+2021)
# Windows 1/0+2021 Server (1/0+2021)
# Windows 1/0+2121 (1/0+2121)
# Windows 1/0+3021 (1/0+3021)
# Windows 2/0+2021 (2/0+2021)
# Windows 5/0+2021 (5/0+2021)
# Windows 10/0+2021 (10/0+2021)
# Windows 2021/0 (2021/0)
# Windows 2021/0 Server (2021/0)
# Windows 2021/0+2021 (2021/0+2021)
# Windows 2021 Teracycle
# Windows 2121/0 (2121/0)
# Windows 3021/0 (3021/0)
# Windows 2021 TEOE (2021 TEOE)
# Windows 2021 TRDEOT (2021 TRDEOT)
# Windows 2021 True Extra Final (13.8e+3000000000000000006-1 TRDEOT)
#Re-Windows 2021 Second Chance Vanura Edition (2nd Chance of 2nd of 2021E^ Negative Infinity)
#Re-Windows 2021 Second Chance Villadus Edition (2nd Chance of 2nd of ^ 2021)
#Re-Windows 2021 Second Chance BTE Edition (2nd Chance of 2021 BTE)
#Re-Windows 2021 Second Chance BC Edition (2nd Chance of 2021 BC)
#Re-Windows 2021 Second Chance 1 AD Edition (2nd Chance of 1 )
#Re-Windows 2021 Second Chance 10 AD Edition (2nd Chance of 10)
#Re-Windows 2021 Second Chance 50 AD Edition (2nd Chance of 50)
#Re-Windows 2021 Second Chance 100 AD Edition (2nd Chance of 100)
#Re-Windows 2021 Second Chance 250 AD Edition (2nd Chance of 250)
#Re-Windows 2021 Second Chance 500 AD Edition (2nd Chance of 500)
#Re-Windows 2021 Second Chance 750 AD Edition (2nd Chance of 750)
#Re-Windows 2021 Second Chance 1000 AD Edition (2nd Chance of 1000)
#Re-Windows 2021 Second Chance 1100 AD Edition (2nd Chance of 1100)
#Re-Windows 2021 Second Chance 1500 AD Edition (2nd Chance of 1500)
#Re-Windows 2021 Second Chance 2000 AD Edition (2nd Chance of 2000)
#later, im bored- Windows Final
#Windows 2021 MMR (2021 MMR)
#Windows 2021 Degrees (2021°)
#Windows 2021°F (2021°F)
#Windows 2021°C (2021°C)
#Windows 2021ꕮ (2021ꕮ)
#Windows 2021 Deadly Final (ꕢ)
#Restart Time Cycle
#Windows 2021 Embedded 2021 B.C. (2021 B.C.)
#Windows 2021.Restart (2021)
#Windows 2021 Again (2021)
#Windows 2021 Embedded 2021 (2021)
#Windows 2021 Restart Time Cycle (2021th Restart Time -ꕢ)
#Windows 2021 Embedded 2021 (∞th Restart Time 2021)
#Windows 2021 Last Goodbye (ꕢth Restart Time 2021ꕮ)
#Windows 2021 No Version Left (Unknown year)
Category:Windows