Comparison of Microsoft Windows versions General information Windows NT

| Name_ | Release_date | RTM_build | Current_version | Status_support | License | Based_on_kernel | Supported_architectures | OS_type |
|---|---|---|---|---|---|---|---|---|
| Windows NT 3.1 | 1993-07-27 | 528 | 3.10.528 SP3 (1994-11-10) | Unsupported (2001-12-31) | Closed source | NT 3.1 | IA-32 , DEC Alpha , MIPS | Workstation, Server |
| Windows NT 3.5 | 1994-09-21 | 807 | 3.50.807 SP3 (1995-06-21) | Unsupported (2001-12-31) | Closed source | NT 3.5 | IA-32 , DEC Alpha, MIPS | Workstation, Server |
| Windows NT 3.51 | 1995-05-30 | 1057 | 3.51.1057 SP5 (1996-09-19) | Unsupported (2001-12-31) | Closed source | NT 3.51 | IA-32 , DEC Alpha, MIPS, PowerPC | Workstation, Server |
| Windows NT 4.0 | 1996-08-24 | 1381 | 4.00.1381 SP6a (1999-11-30) | Unsupported (2004-12-31) | Closed source | NT 4.0 | IA-32 , DEC Alpha, MIPS, PowerPC | Workstation, Server, Embedded PCs |