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 2000 | 2000-02-17 | 2195 | 5.0 SP4 Rollup 1 v2 (2005-09-13) | Unsupported (2010-07-13) | Shared source | NT 5.0 | IA-32 , IA-64 | Desktop, Workstation, Server, Embedded PCs |
| Windows XP | 2001-10-25 | 2600 | 5.1.2600 SP3 (2008-04-21) | Extended Support Period (2014-04-08) | Shared source | NT 5.1; NT 5.2 ( 64-bit 2003 and x64) | IA-32 , IA-64, x86-64 | Desktop, Workstation, Embedded PCs |
| Windows Server 2003 | 2003-04-24 | 3790 | 5.2.3790 SP2 (2007-03-13) | Supported | Shared source | NT 5.2 | IA-32 , IA-64, x86-64 | Server, Network Appliance, Embedded PCs, HPC |
| Windows Fundamentals for Legacy PCs | 2006-07-08 | 2600 | RTM (2006-07-08) | Supported | Shared source | NT 5.1 | IA-32 | Desktop |
| Windows Vista | 2006-11-08 | 6000 (SP2: 6002) | 6.0 SP2 (2009-04-28) | Supported | Closed source , Shared source | NT 6.0 | IA-32 , x86-64 | Desktop, Workstation |