Windows Release Dates

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Last updated: 08 Sep 2017
Added links for research - will no longer be updating this page.

Windows Release Date links:

https://en.wikipedia.org/wiki/Windows_10_version_history
https://www.google.com/search?q=windows+builds&ie=utf-8&oe=utf-8
https://technet.microsoft.com/en-us/windows/release-info.aspx
https://buildfeed.net/
https://changewindows.org/
http://pureinfotech.com/windows-10-version-release-history/

Windows Release Dates
The purpose of this list is to provide dates for releases, so those looking for drivers that are compatible with a release have a date to go by. The list is by no means complete, suggestions for inclusions are welcome.

NOTE: SP0 is the initial release of the OS. Most information came from Wikipedia.

Windows Server 2016 (Windows NT 10.0 - assumed by me)
Windows 10 (Windows NT 10.0)

Windows Server 2012 R2 (Windows NT 6.3)
Windows 8.1 (Windows NT 6.3)
Windows RT 8.1

Windows Server 2012 (Windows NT 6.2)
Windows 8 (Windows NT 6.2)
Windows RT

Windows Server 2008 R2 (Windows NT 6.1)
Windows 7 (Windows NT 6.1)

Windows Server 2008 (Windows NT 6.0)
Windows Vista (Windows NT 6.0)

Windows Home Server (Windows NT 5.2)
Windows Server 2003 R2
Windows Server 2003 x64 (Windows NT 5.2)
Windows XP x64 (Windows NT 5.2)
Windows Server 2003 (Windows NT 5.2)

Windows XP (Windows NT 5.1)

Windows ME

Windows 2000 (Windows NT 5.0)

Windows 98 SE
Windows 98

Windows NT 4.0

Windows 95

Windows NT 3.51
Windows NT 3.5
Windows for Workgroups 3.11
Windows for Workgroups 3.1
Windows NT 3.1
Windows 3.0
Windows 2.0
Windows 1.0

Windows Server 2016 (Windows NT 10.0 - assumed)

SP0
	Final (GA)
	Final (RTM)	early 2016

	Technical Preview 3	19 Aug 2015
	Technical Preview 2	04 May 2015
	Technical Preview 1	01 Oct 2014

Windows 10 (Windows NT 10.0)

Version 1511 (Threshold 2/Fall Update - build 10586 on my system)
	Final (GA) (through Windows Update)	12 Nov 2015
SP0
	Final (GA)	29 Jul 2015
	Final (RTM)

	Release Preview
	Consumer Preview (public beta)	Oct 2014
	Developer Preview

Windows Server 2012 R2 (Windows NT 6.3)

SP0
	Final (GA)	17 Oct 2013
	Final (RTM)

	Release Preview
	Consumer Preview
	Developer Preview

Windows 8.1 (Windows NT 6.3)

SP0
	Final (GA)	17 Oct 2013
	Final (RTM)	17 Aug 2013

	Release Preview
	Consumer Preview	26 Jun 2013
	Developer Preview

Windows RT 8.1

SP0
	Final (GA)	17 Oct 2013
	Final (RTM)

	Release Preview
	Consumer Preview	16 Jun 2013
	Developer Preview

Windows Server 2012 (Windows NT 6.2)

SP0
	Final (GA)	04 Sep 2012
	Final (RTM)	01 Aug 2012

	Release Preview	31 May 2012
	Beta	01 March 2012

Windows 8 (Windows NT 6.2)
End of Extended Support: 10 January 2023 (from SoftPedia)
End of Mainstream Support: 09 January 2018 (from SoftPedia)

SP0
	Final (GA)	26 Oct 2012
	Final (RTM)	01 Aug 2012

	Release Preview	31 May 2012
	Consumer Preview	01 March 2012
	Developers Preview	13 September 2011

Windows RT

SP0
	Final (GA)	26 Oct 2012
	Final (RTM)

	Release Preview
	Consumer Preview
	Developer Preview

Windows Server 2008 R2 (Windows NT 6.1)

SP1
	Final (GA)	22 February 2011
	Final (RTM)	09 February 2011

	RC	October 2010
	Beta	Early July 2010

SP0
	Final (GA)	22 October 2009
	Final (RTM)	22 July 2009

Windows 7 (Windows NT 6.1)
End of Extended Support (Security Updates): 14 January 2020
End of Mainstream Support: 12 January 2015

SP1
	Final (GA)	22 February 2011
	Final (RTM)	09 February 2011

	RC	October 2010
	Beta	early July 2010

SP0
	Final (GA)	22 October 2009
	Final (RTM)	22 July 2009

	RC (Public)	05 May 2009
	RC (MSDN)	20 April 2009
	Beta	09 January 2009

Windows Server 2008 (Windows NT 6.0)

SP2
	Final (GA)	28 April 2009

SP2
	Final (GA)	27 February 2008

SP1
	Final (GA)	30 January 2007

Windows Vista (Windows NT 6.0)
End of Extended Support (Security Updates): 11 April 2017
End of Mainstream Support: 10 April 2012

SP2
	Final (GA)	28 April 2009

SP1
	Final (GA)	27 February 2009

SP0
	Final (GA)	30 January 2007

Windows Home Server (Windows NT 5.2)

SP0

Final (GA)

07 January 2007

Windows Server 2003 R2

SP0

Final (GA)

December 2005

Windows Server 2003 x64 (Windows NT 5.2)

P2	Final (GA)	13 March 2007
SP1	n/a	Built on SP1 code base
SP0	Final (GA)	25 April 2005

Windows XP x64 (Windows NT 5.2)

SP2	Final (GA)	13 March 2007
SP1	n/a	Built on SP1 code base
SP0	Final (GA)	25 April 2005

Windows Server 2003 (Windows NT 5.2)

SP0

Final (GA)

24 April 2003

Windows XP (Windows NT 5.1)
End of Extended Support (Security Updates): 08 April 2014
End of Mainstream Support: 14 April 2009

SP3	Final (GA)	06 May 2008
SP2	Final (GA)	06 August 2004
SP1a	Final (GA)	03 February 2003
SP1	Final (GA)	09 September 2002
SP0	Final (GA)	25 October 2001

Windows ME - September 2000

SP0

Final (GA)

14 September 2000

Windows 2000 (Windows NT 5.0)

Update Rollup 1	Final (GA)	13 September 2005
SP4	Final (GA)	26 June 2003
SP3	Final (GA)	29 August 2002
SP2	Final (GA)	16 May 2001
SP1	Final (GA)	15 August 2000
SP0	Final (GA)	17 February 2000

Windows 98 SE (Second Edition) released in 1999

SP0

Final (GA)

05 May 1999

Windows 98 released on 25 June 1998

SP0

Final (GA)

25 June 1998

Windows NT 4.0

SP6a	Final (GA)	30 November 1999
SP5	Final (GA)	04 May 1999
SP4	Final (GA)	25 October 1998
SP3	Final (GA)	15 May 1997
SP2	Final (GA)	14 December 1996
SP1	Final (GA)	16 October 1996
SP0	Final (GA)	24 August 1996

Windows 95

SP0

Final (GA)

24 August 1995

Windows NT 3.51

Post SP5 Y2KFix	Final (GA)	03 November 1998
SP5	Final (GA)	23 September 1996
SP4	Final (GA)	19 March 1996
SP3	Final (GA)	14 December 1995
SP2	Final (GA)	11 October 1995
SP1	Final (GA)
SP0	Final (GA)	30 May 1995

Windows NT 3.5

SP3	Final (GA)	13 September 1995
SP2	Final (GA)
SP1	Final (GA)
SP0	Final (GA)	21 September 1994

Windows for Workgroups 3.11 was released on 11 August 1993/1 Nov 93

SP0

Final (GA)

11 August 1993 or
01 November 1993

Windows for Workgroups 3.1

SP0

Final (GA)

01 October 1992

Windows NT 3.1

SP3	Final (GA)	10 November 1994
SP2	Final (GA)
SP1	Final (GA)
SP0	Final (GA)	27 July 1993

Windows 3.0

SP0

Final (GA)

22 May 1990

Windows 2.0

SP0

Final (GA)

09 December 1987

Windows 1.0

SP0

Final (GA)

20 November 1985