List of Mac OS versions

Note: The headings on this list indicate the Macintosh System bundle names; the bullet points indicate the version of the System File included in that bundle. This is to make it clearer for people searching for specific bundle versions as opposed to System File versions. Finder File versions are not indicated.
==Classic Mac OS==
===Macintosh System Software (0 - 0.3)===
====System File 1====
* System 0.85 (128k) (1983)
* System 1.0 (128k / 512k) (1984) (also numbered System 0.97)
* System 1.1 (128k / 512k) (1984)
==== System File 2 ====
* System 2.0 (128k / 512k) (1985)
===System Software with HD20 Support (0.5)===
====System File 2====
* System 2.1 (128k / 512k with HD20) (1985)
===Macintosh System Software (0.7)===
==== System File 3 ====
* System 3.0 (128k / 512k / 512ke / Plus) (1986)
===System Software 1===
====System File 3====
* System 3.1 (128k / 512k / 512ke / Plus) (1986)
* System 3.2 (128k / 512k / 512ke / Plus) (1986)
* System 3.3 (128k / 512k / 512ke / Plus) (1987)
* System 3.4 (128k / 512k / 512ke / Plus) (1988)
===System Software 2===
==== System File 4====
* System 4.0 (512k+) (1987)
* System 4.1 (512k+) (1987)
===System Software 5===
====System File 4====
* System 4.2 (512ke+) (1987)
* System 4.3 (512ke+) (1987)
===System Software 6===
* System 6.0.0 (512ke+) (1988)
* System 6.0.1 (512ke+) (1988)
* System 6.0.2 (512ke+) (1988)
* System 6.0.3 (512ke+) (1989)
* System 6.0.4 (512ke+) "Antares" (1989)
* System 6.0.5 (512ke+) "Big Deal" (1990)
* System 6.0.6 "SixPack" — never released due to AppleTalk bug
* System 6.0.7 (512ke+) (1990)
* System 6.0.8 (512ke+) "Terminator" (1991)
* System 6.0.8L (Classic, LC, PB100) (1992) — limited machine-only release for the Pacific market
* System 6.0.8.1 (1992) — limited machine-only release for the international market
* System 6.1 (1992) — limited machine-only release for the Middle Eastern market
===System Software 7===
:A.K.A. "Big Bang", "Blue", "M80", "Pleiades".
===="System" designation====
=====Regular Systems=====
* System 7.0 (Plus+) "Furnishings 2000" (1991)
* System 7.0.1 (Plus+) "Road Warrior" & "Beta Cheese" (1991)
* System 7.1 (Plus+) "Cube-E" & "I Tripoli" (1992)
* System 7.1.1 (Plus+) (aka System 7 Pro) "Jirocho" (1993)
* System 7.1.2 (PPC) (1994)
* System 7.1.2P (68040) (1994)
* System 7.5 (68k / PPC) "Mozart" & "Capone" (1994)
=====Performa Systems=====
* System 7.0.1P (68k) (1992)
* System 7.1P (68k) (1992)
* System 7.1P1 (68k) (1992)
* System 7.1P2 (68k) (1993)
* System 7.1P3 (68k) (1993)
* System 7.1P4 (68k) — available only on a Utility disk; never pre-installed
* System 7.1P5 (68k) (1994)
* System 7.1P6 (68k) (1994)
* System 7.1.2P (68040) (1994)
* System 7.5 (68k / PPC) "Mozart" & "Capone" (1994)
===="Mac OS" designation====
*Mac OS 7.5.1 / System 7.5 Update 1.0 (24/32-bit 68k / PPC) "Danook" & "Thag" (1995)
*Mac OS 7.5.2 (PCI PPC) "Marconi" (1995) — limited machine-only release for first PCI Macs
*Mac OS 7.5.3 (24/32-bit 68k / PPC) "Unity" (1996)
*Mac OS 7.5.3L (Macintosh Clones) (1996)
*Mac OS 7.5.3 Revision 2 (24/32-bit 68k / PPC) (1996)
*Mac OS 7.5.3 Revision 2.1 (24/32-bit 68k / PPC) "Buster" (1996)
*Mac OS 7.5.3 Revision 2.2 (24/32-bit 68k / PPC) "Son of Buster" (1996)
*Mac OS 7.5.4 — pulled within hours of seeding to distribution sites
*Mac OS 7.5.5 (24/32-bit 68k / PPC) (1996)
*Mac OS 7.6 (32-bit 68k / PPC) "Harmony" (1997)
*Mac OS 7.6.1 (32-bit 68k / PPC) "Ides of Buster" (1997)
*Mac OS 7.7 (32-bit 68k / PPC) "Speedy" — never released
===Mac OS 8 "Tempo"===
* Mac OS 8.0 (32-bit 68k / PPC) "Tempo" (1997)
* Mac OS 8.1 (32-bit 68k / PPC) "Bride of Buster" (1998)
* Mac OS 8.2 (PPC) "SouthPark" & "Sequins" & "Snowman" — never released
* Mac OS 8.5 (PPC) "Allegro" (1998)
* Mac OS 8.5.1 (PPC) "Ric Ford" (1998)
* Mac OS 8.6 (PPC) "Veronica" (1999)
* Mac OS 8.7 (PPC) "Sarah" — never released
===Mac OS 9 "Sonata"===
* Mac OS 9.0.0 (PPC All) "Sonata" (1999)
* Mac OS 9.0.1 (PPC All) "Minuet" — never released
* Mac OS 9.0.2 (PPC All) (2000)
* Mac OS 9.0.3 (PPC All) (2000)
* Mac OS 9.0.4 (PPC All) "Minuet" (2000)
* Mac OS 9.1 (PPC with MMU) "Fortissimo" (2001)
* Mac OS 9.2.0 (PPC G3+) "Moonlight" (2001)
* Mac OS 9.2.1 (PPC G3+) "Limelight" (2001)
* Mac OS 9.2.2 (PPC G3+) "LUI" (2001)
==Mac OS X / macOS==
===Mac OS X Server===
:OS X Server 10.7 and later are software add-ons to the base OS, and do not get their own releases
===Mac OS X Developer Preview===
*Mac OS X DP 1 (1999)
*Mac OS X DP 2 "Titan" (1999)
*Mac OS X DP 3 (2000)
*Mac OS X DP 4 (2000)
===Mac OS X Public Beta "Kodiak" (2000) ===
:OS X Public Beta runs on stock PowerMac G3 and G4 computers with 128MB RAM and their internal clock set to between September 13, 2000 and May 15, 2001.
===Mac OS X 10.0 "Cheetah"===
* Mac OS X 10.0.0 (PPC G3+) (2001)
* Mac OS X 10.0.1 (PPC G3+) (2001)
* Mac OS X 10.0.2 (PPC G3+) (2001)
* Mac OS X 10.0.3 (PPC G3+) (2001)
* Mac OS X 10.0.4 (PPC G3+) (2001)
===Mac OS X 10.1 "Puma"===
* Mac OS X 10.1.0 (PPC G3+) (2001)
* Mac OS X 10.1.1 (PPC G3+) (2001)
* Mac OS X 10.1.2 (PPC G3+) (2001)
* Mac OS X 10.1.3 (PPC G3+) (2002)
* Mac OS X 10.1.4 (PPC G3+) (2002)
* Mac OS X 10.1.5 (PPC G3+) (2002)
===Mac OS X 10.2 "Jaguar"===
* Mac OS X 10.2.0 (PPC G3+) (2002)
* Mac OS X 10.2.1 (PPC G3+) (2002)
* Mac OS X 10.2.2 (PPC G3+) (2002)
* Mac OS X 10.2.3 (PPC G3+) (2002)
* Mac OS X 10.2.4 (PPC G3+) (2003)
* Mac OS X 10.2.5 (PPC G3+) (2003)
* Mac OS X 10.2.6 (PPC G3+) (2003)
* Mac OS X 10.2.7 (PPC G3+) (2003)
* Mac OS X 10.2.8 (PPC G3+) (2003)
===Mac OS X 10.3 "Panther"===
* Mac OS X 10.3.0 (PPC New World) (2003)
* Mac OS X 10.3.1 (PPC New World) (2003)
* Mac OS X 10.3.2 (PPC New World) (2003)
* Mac OS X 10.3.3 (PPC New World) (2004)
* Mac OS X 10.3.4 (PPC New World) (2004)
* Mac OS X 10.3.5 (PPC New World) (2004)
* Mac OS X 10.3.6 (PPC New World) (2004)
* Mac OS X 10.3.7 (PPC New World) (2004)
* Mac OS X 10.3.8 (PPC New World) (2005)
* Mac OS X 10.3.9 (PPC New World) (2005)
===Mac OS X 10.4 "Tiger"===
* Mac OS X 10.4.0 (PPC) (2005)
* Mac OS X 10.4.1 (PPC) (2005)
* Mac OS X 10.4.2 (PPC) (2005)
* Mac OS X 10.4.3 (PPC) (2005)
* Mac OS X 10.4.4 (PPC/Intel) (2006)
* Mac OS X 10.4.5 (PPC/Intel) (2006)
* Mac OS X 10.4.6 (PPC/Intel) (2006)
* Mac OS X 10.4.7 (PPC/Intel) (2006)
* Mac OS X 10.4.8 (PPC/Intel) (2006)
* Mac OS X 10.4.9 (PPC/Intel) (2007)
* Mac OS X 10.4.10 (PPC/Intel) (2007)
* Mac OS X 10.4.11 (PPC/Intel) (2007)
===Mac OS X 10.5 "Leopard"===
* Mac OS X 10.5.0 (PPCG4+/Intel) (2007)
* Mac OS X 10.5.1 (PPCG4+/Intel) (2007)
* Mac OS X 10.5.2 (PPCG4+/Intel) (2008)
* Mac OS X 10.5.3 (PPCG4+/Intel) (2008)
* Mac OS X 10.5.4 (PPCG4+/Intel) (2008)
* Mac OS X 10.5.5 (PPCG4+/Intel) (2008)
* Mac OS X 10.5.6 (PPCG4+/Intel) (2008, 2009)
* Mac OS X 10.5.7 (PPCG4+/Intel) (2009)
* Mac OS X 10.5.8 (PPCG4+/Intel) (2009)
* Mac OS X 10.5.9 (PPCG4+ only) (2021) — unofficial PPC update integrating some refinements from the 10.6 beta
===Mac OS X 10.6 "Snow Leopard"===
*Mac OS X 10.6.0 (Intel + Rosetta) (2009)
*Mac OS X 10.6.1 (Intel + Rosetta) (2009)
*Mac OS X 10.6.2 (Intel + Rosetta) (2009)
*Mac OS X 10.6.3 (Intel + Rosetta) (2010)
*Mac OS X 10.6.4 (Intel + Rosetta) (2010)
*Mac OS X 10.6.5 (Intel + Rosetta) (2010)
*Mac OS X 10.6.6 (Intel + Rosetta) (2011)
*Mac OS X 10.6.7 (Intel + Rosetta) (2011)
*Mac OS X 10.6.8 (Intel + Rosetta) (2011, 2012)
:After Mac OS X 10.6, all Mac system installations are provided via download.
===Mac OS X 10.7 "Lion"===
*Mac OS X 10.7.0 (Intel) (2011)
*Mac OS X 10.7.1 (Intel) (2011)
*Mac OS X 10.7.2 (Intel) (2011)
*Mac OS X 10.7.3 (Intel) (2012)
*Mac OS X 10.7.4 (Intel) (2012)
*Mac OS X 10.7.5 (Intel) (2012, 2013, 2014)
===Mac OS X 10.8 "Mountain Lion"===
*Mac OS X 10.8.0 (64-bit Intel) (2012)
*Mac OS X 10.8.1 (64-bit Intel) (2012)
*Mac OS X 10.8.2 (64-bit Intel) (2012)
*Mac OS X 10.8.3 (64-bit Intel) (2013)
*Mac OS X 10.8.4 (64-bit Intel) (2013)
*Mac OS X 10.8.5 (64-bit Intel) (2013, 2014, 2015)
===OS X 10.9 "Mavericks"===
*OS X 10.9.0 (64-bit Intel) (2013)
*OS X 10.9.1 (64-bit Intel) (2013)
*OS X 10.9.2 (64-bit Intel) (2014)
*OS X 10.9.3 (64-bit Intel) (2014)
*OS X 10.9.4 (64-bit Intel) (2014)
*OS X 10.9.5 (64-bit Intel) (2014, 2015, 2016)
===OS X 10.10 "Yosemite"===
*OS X 10.10 public beta (64-bit Intel) (archived 2014-07-29)
*OS X 10.10.0 (64-bit Intel) (2014)
*OS X 10.10.1 (64-bit Intel) (2014)
*OS X 10.10.2 (64-bit Intel) (2015)
*OS X 10.10.3 (64-bit Intel) (2015)
*OS X 10.10.4 (64-bit Intel) (2015)
*OS X 10.10.5 (64-bit Intel) (2015, 2016, 2017)
===OS X 10.11 "El Capitan"===
*OS X 10.11 public beta (64-bit Intel) (archived 2015-06-08)
*OS X 10.11.0 (64-bit Intel) (2015)
*OS X 10.11.1 (64-bit Intel) (2015)
*OS X 10.11.2 (64-bit Intel) (2015)
*OS X 10.11.3 (64-bit Intel) (2016)
*OS X 10.11.4 (64-bit Intel) (2016)
*OS X 10.11.5 (64-bit Intel) (2016)
*OS X 10.11.6 (64-bit Intel) (2016, 2017, 2018)
===macOS 10.12 "Sierra"===
*macOS Sierra preview (2009/2010+) (archived 2016-06-13)
*macOS 10.12.0 (2009/2010+) (2016)
*macOS 10.12.1 (2009/2010+) (2016)
*macOS 10.12.2 (2009/2010+) (2016)
*macOS 10.12.3 (2009/2010+) (2017)
*macOS 10.12.4 (2009/2010+) (2017)
*macOS 10.12.5 (2009/2010+) (2017)
*macOS 10.12.6 (2009/2010+) (2017, 2018, 2019)
===macOS 10.13 "High Sierra"===
*macOS High Sierra preview (2009/2010+) (archived 2017-06-05)
*macOS 10.13.0 (2009/2010+) (2017)
*macOS 10.13.1 (2009/2010+) (2017)
*macOS 10.13.2 (2009/2010+) (2017)
*macOS 10.13.3 (2009/2010+) (2018)
*macOS 10.13.4 (2009/2010+) (2018)
*macOS 10.13.5 (2009/2010+) (2018)
*macOS 10.13.6 (2009/2010+) (2018, 2019, 2020)
===macOS 10.14 "Mojave"===
*macOS Mojave preview (2009/2010+) (archived 2018-06-04)
*macOS 10.14.0 (Metal GPU - roughly 2012+) (2018)
*macOS 10.14.1 (Metal GPU - roughly 2012+) (2018)
*macOS 10.14.2 (Metal GPU - roughly 2012+) (2018)
*macOS 10.14.3 (Metal GPU - roughly 2012+) (2019)
*macOS 10.14.4 (Metal GPU - roughly 2012+) (2019)
*macOS 10.14.5 (Metal GPU - roughly 2012+) (2019)
*macOS 10.14.6 (Metal GPU - roughly 2012+) (2019, 2020, 2021)
===macOS 10.15 "Catalina"===
*macOS Catalina preview (2019)
*macOS 10.15.0 (Metal GPU - roughly 2012+) (2019)
*macOS 10.15.1 (Metal GPU - roughly 2012+) (2019)
*macOS 10.15.2 (Metal GPU - roughly 2012+) (2019)
*macOS 10.15.3 (Metal GPU - roughly 2012+) (2020)
*macOS 10.15.4 (Metal GPU - roughly 2012+) (2020)
*macOS 10.15.5 (Metal GPU - roughly 2012+) (2020)
*macOS 10.15.6 (Metal GPU - roughly 2012+) (2020)
*macOS 10.15.7 (Metal GPU - roughly 2012+) (2020, 2021, 2022)
===macOS 11 "Big Sur"===
*macOS Big Sur preview (archived 2020-06-22)
*macOS 11.0 (roughly 2013+) (2020)
*macOS 11.0.1 (roughly 2013+) (2020)
*macOS 11.1 (roughly 2013+) (2020)
*macOS 11.2 (roughly 2013+) (2021)
*macOS 11.2.1 (roughly 2013+) (2021)
*macOS 11.2.2 (roughly 2013+) (2021)
*macOS 11.2.3 (roughly 2013+) (2021)
*macOS 11.3 (roughly 2013+) (2021)
*macOS 11.3.1 (roughly 2013+) (2021)
*macOS 11.4 (roughly 2013+) (2021)
*macOS 11.5 (roughly 2013+) (2021)
*macOS 11.5.1 (roughly 2013+) (2021)
*macOS 11.5.2 (roughly 2013+) (2021)
*macOS 11.6 (roughly 2013+) (2021)
*macOS 11.6.1 (roughly 2013+) (2021)
*macOS 11.6.2 (roughly 2013+) (2021)
*macOS 11.6.3 (roughly 2013+) (2022)
*macOS 11.6.4 (roughly 2013+) (2022)
*macOS 11.6.5 (roughly 2013+) (2022)
*macOS 11.6.6 (roughly 2013+) (2022)
*macOS 11.6.7 (roughly 2013+) (2022)
*macOS 11.6.8 (roughly 2013+) (2022)
*macOS 11.7 (roughly 2013+) (2022)
*macOS 11.7.1 (roughly 2013+) (2022)
*macOS 11.7.2 (roughly 2013+) (2022)
*macOS 11.7.3 (roughly 2013+) (2023)
*macOS 11.7.4 (roughly 2013+) (2023)
*macOS 11.7.5 (roughly 2013+) (2023)
*macOS 11.7.6 (roughly 2013+) (2023)
*macOS 11.7.7 (roughly 2013+) (2023)
*macOS 11.7.8 (roughly 2013+) (2023)
*macOS 11.7.9 (roughly 2013+) (2023)
*macOS 11.7.10 (roughly 2013+) (2023)
===macOS 12 "Monterey"===
*macOS Monterey preview (archived 2021-06-07)
*macOS 12.0 (roughly 2015+) (2021)
*macOS 12.0.1 (roughly 2015+) (2021)
*macOS 12.1 (roughly 2015+) (2021)
*macOS 12.2 (roughly 2015+) (2022)
*macOS 12.2.1 (roughly 2015+) (2022)
*macOS 12.3 (roughly 2015+) (2022)
*macOS 12.3.1 (roughly 2015+) (2022)
*macOS 12.4 (roughly 2015+) (2022)
*macOS 12.5 (roughly 2015+) (2022)
*macOS 12.5.1 (roughly 2015+) (2022)
*macOS 12.6 (roughly 2015+) (2022)
*macOS 12.6.1 (roughly 2015+) (2022)
*macOS 12.6.2 (roughly 2015+) (2022)
*macOS 12.6.3 (roughly 2015+) (2023)
*macOS 12.6.4 (roughly 2015+) (2023)
*macOS 12.6.5 (roughly 2015+) (2023)
*macOS 12.6.6 (roughly 2015+) (2023)
*macOS 12.6.7 (roughly 2015+) (2023)
*macOS 12.6.8 (roughly 2015+) (2023)
*macOS 12.6.9 (roughly 2015+) (2023)
*macOS 12.7 (roughly 2015+) (2023)
*macOS 12.7.1 (roughly 2015+) (2023)
*macOS 12.7.2 (roughly 2015+) (2023)
*macOS 12.7.3 (roughly 2015+) (2024)
*macOS 12.7.4 (roughly 2015+) (2024)
*macOS 12.7.5 (roughly 2015+) (2024)
*macOS 12.7.6 (roughly 2015+) (2024)
===macOS 13 "Ventura"===
*macOS Ventura preview (archived 2022-06-06)
*macOS 13.0 (2017+) (2022)
*macOS 13.0.1 (2017+) (2022)
*macOS 13.1 (2017+) (2022)
*macOS 13.2 (2017+) (2023)
*macOS 13.2.1 (2017+) (2023)
*macOS 13.3 (2017+) (2023)
*macOS 13.3.1 (2017+) (2023)
*macOS 13.4 (2017+) (2023)
*macOS 13.4.1 (2017+) (2023)
*macOS 13.5 (2017+) (2023)
*macOS 13.5.1 (2017+) (2023)
*macOS 13.5.2 (2017+) (2023)
*macOS 13.6 (2017+) (2023)
*macOS 13.6.1 (2017+) (2023)
*macOS 13.6.2 (2017+) (2023)
*macOS 13.6.3 (2017+) (2023)
*macOS 13.6.4 (2017+) (2024)
*macOS 13.6.5 (2017+) (2024)
*macOS 13.6.6 (2017+) (2024)
*macOS 13.6.7 (2017+) (2024)
*macOS 13.6.8 (2017+) (2024)
*macOS 13.6.9 (2017+) (2024)
*macOS 13.7 (2017+) (2024) — in beta testing
===macOS 14 "Sonoma"===
*macOS Sonoma preview (archived 2023-06-05)
*macOS 14.0 (2018+) (2023)
*macOS 14.1 (2018+) (2023)
*macOS 14.1.1 (2018+) (2023)
*macOS 14.1.2 (2018+) (2023)
*macOS 14.2 (2018+) (2023)
*macOS 14.2.1 (2018+) (2023)
*macOS 14.3 (2018+) (2024)
*macOS 14.3.1 (2018+) (2024)
*macOS 14.4 (2018+) (2024)
*macOS 14.4.1 (2018+) (2024)
*macOS 14.5 (2018+) (2024)
*macOS 14.6 (2018+) (2024)
*macOS 14.6.1 (2018+) (2024) — current version
*macOS 14.7 (2018+) (2024) — in beta testing
===macOS 15 "Sequoia"===
*macOS Sequoia preview
*macOS 15.0 (T2/Apple Silicon) (2024)
*macOS 15.1 (T2/Apple Silicon) (2024) — in beta testing
==Cancelled projects==
The following planned operating systems were cancelled before completion:
* Copland (1994-1996) — developer beta was not yet in a publicly usable state
* Gershwin (1994-1996) — still in planning stages with little or no actual engineering work
==References==
*Apple Code Names, The Apple Museum. Accessed 2018-03-08.
*Mac OS History Chart, MacFixer. Accessed 2018-04-07.
==See also==
*History of macOS
==External links==
*macOS at Apple
**How to get old versions of macOS at Apple Support (2021-06-11)
**Mac OS X Mountain Lion Installer (2021-06-23)
**Mac OS X Lion Installer (2021-06-23)
**Older Software Downloads: System Software (2001-07-17, archived 2001-08-01)
**Apple security releases - Apple Support (2023-12-11)
*Inside macOS at Apple Insider
*A full history of macOS (OS X) release dates (and file sizes) by Rob Griffiths at The Robservatory
*A History of Apple's Operating Systems by Amit Singh (2004-02, archived 2019-10-02)
*Timeline of the Macintosh Operating System at The Apple Museum (archived 2011-12-27)
* and at Wikipedia
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