Windows NT 5.x

Windows NT 5.x is a family of Microsoft Windows NT, starting with Windows 2000 and ending with with Server 2003. After Windows NT 5.2's end of support in 2020, no NT 5.x operating systems are supported by Microsoft.

Versions

OS	Date	Build	NT Version	Support status
Windows 2000	February 17, 2000 (2000-02-17)	Windows 2000 Professional, Windows 2000 Server, Windows 2000 Advanced Server, Windows 2000 Datacenter Server	NT 5.0	Mainstream support ended on June 30, 2005. Extended support ended on July 13, 2010 (2010-07-13)
Windows XP	October 25, 2001 (2001-10-25)	Windows XP Starter Edition, Windows XP Home Edition, Windows XP Professional, Windows XP Embedded, Windows XP Media Center Edition, Windows XP Tablet PC Edition, Windows 64-Bit Edition, Windows XP Professional x64 Edition	NT 5.1	Mainstream support ended on April 14, 2009. Extended support ended on April 8, 2014 (2014-04-08).
Windows Server 2003	April 24, 2003 (2003-04-24)	Windows Server 2003 Web Server, Windows Server 2003 Standard Server, Windows Server 2003 Datacenter Server, Windows Server 2003 Enterprise Server	NT 5.2	Mainstream support ended on July 13, 2010. Extended support ended on July 14, 2015 (2015-07-14)
Windows Server 2003 R2	December 6, 2005 (2005-12-06)	Windows Server 2003 R2 Web Server, Windows Server 2003 R2 Standard Server, Windows Server 2003 R2 Datacenter Server, Windows Server 2003 R2 Enterprise Server.		Mainstream support ended on July 13, 2010. Extended support ended on July 14, 2015 (2015-07-14)