Windows Lifecycle

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By version

OS RTM End Mainstream Support End Extended Support ESU / Custom Support Total Support Cit
Windows 1.0 - 20 Nov 1985 31 Dec 2001 - - 16y 1m 11d [1][2]
Windows 2.0 - 9 Dec 1987 31 Dec 2001 - - 14y 22d [3][2]
Windows 2.1 - 27 May 1988 31 Dec 2001 - - 13y 7m 4d [4][2]
Windows 3.0 - 22 May 1990 31 Dec 2001 - - 11y 7m 9d [5][2]
Windows 3.1 3.1 / 3.11 / WfW 6 April 1992 31 Dec 2001 - - 9y 8m 25d [6][7]
WfW 3.11 Embeded 1 Nov 1993 1 Nov 2008 15y
Windows NT 3.1 - 27 Jul 1993 31 Dec 2000 - - 7y 5m 4d [8][9]
Windows NT 3.5 - 21 Sep 1994 31 Dec 2001 - - 7y 3m 10d [10]
Windows NT 3.51 Server 30 May 1995 30 Sep 2000 30 Sep 2002 - 7y 4m [11][9]
Workstation 31 Dec 2000 31 Dec 2001 6y 7m 1d
Windows 95 14 Jul 1995 31 Dec 2000 31 Dec 2001 - 6y 5m 17d [12][9]
Windows NT 4.0 Server 31 Jul 1996 31 Dec 2002 31 Dec 2001 (DEC Alpha systems) - 5y 5m [13][9][14][15]
31 Dec 2004 31 Dec 2006 (Pay-per-incident) 10y 5m
Workstation 30 Jun 2002 30 Jun 2004
Embedded 09 Aug 1999 30 Jun 2003 11 Jul 2006 8y 7m 16d
Windows 98 - 15 May 1998 30 Jun 2002 30 Jun 2006 - 8y 1m 15d [16][9]
Windows 2000 - 15 Dec 1999 30 Jun 2005 30 Jun 2010 10 May 2016 (Custom)1 16y 4m 25d [17][9]
Windows Me - 29 Jul 2000 31 Dec 2003 30 Jun 2006 - 5y 11m 1d [18][9]
Windows XP 64-Bit Edition 24 Aug 2001 30 Jun 2005 - - 3y 10m 6d [19][20][21]
Professional

Home Edition

DEL 14 Apr 2009 8 Apr 2014 23 May 2019 (Custom)1 17y 8m 29d
Embedded 28 Nov 2001 11 Jan 2011 12 Jan 2016 17y 5m 25d
Media Center Edition 29 Oct 2002 14 Apr 2009 8 Apr 2014 Compatible with Custom Patches for XP Professional and Embedded Editions 11y 5m 10d
Tablet PC Edition 7 Nov 2002 11y 5m 1d
64-Bit Edition Version 2003 28 Mar 2003 30 Jun 2005 - Compatible with most Windows Server 2003 Patches beyond EOL3 2y 3m 2d
Media Center Edition 2004 30 Sep 2003 14 Apr 2009 8 Apr 2014 Compatible with Custom Patches for XP Professional and Embedded Editions 10y 6m 9d
Starter Edition 11 Aug 2004 9y 7m 28d
Tablet PC Edition 2005 25 Aug 2004 9y 7m 14d
x64 Edition 25 Apr 2005 Compatible with most Windows Server 2003 Patches beyond EOL 8y 11m 14d
Embedded for POS 24 May 2005 12 Apr 2011 12 Apr 2016 23 May 2019 (Custom)1 13y 11m 29d
Fundamentals for Legacy PCs 8 Jul 2006 14 Apr 2009 8 Apr 2014 12y 10m 15d
Embedded Standard 2009 16 Oct 2008 14 Jan 2014 8 Jan 2019 10y 7m 7d
Embedded POSReady 2009 9 Dec 2008 8 Apr 2014 9 Apr 2019 10y 5m 14d
Windows Server 2003 28 Mar 2003 13 Jul 2010 (Web, Standard, Enterprise, Datacenter)

12 Apr 2011 (Small Business Server)

11 Oct 2011 (Storage Server)

8 Jan 2013 (Home Server)

14 Jul 2015 (Web, Standard, Enterprise, Datacenter)

12 Apr 2016 (Small Business Server)

9 Oct 2016 (Storage Server)

20 Jul 2015 (Custom for Itanium)

10 Sep 2019 (Custom)1,2

16y 5m 13d [22][23]
Windows Vista 8 Nov 2006 10 Apr 2012 11 Apr 2017 17 Aug 2017 (Out of band)

Compatible with most Windows Server 2008 Patches beyond EOL

10y 9m 9d [24]
Windows Server 2008 4 Feb 2008 13 Jan 2015 14 Jan 2020 10 Jan 2023 (ESU for Standard, Enterprise, Datacenter)2

9 Jan 2024 (ESU Azure for Standard, Enterprise, Datacenter)2

13 Jan 2026 (Premium Assurance for Standard, Enterprise, Datacenter)2

17y 11m 9d [25]
Windows 7 22 Jul 2009 13 Jan 2015 (Starter, Home Basic, Home Premium, Professional, Enterprise, Ultimate)

13 Oct 2015 (Embedded Standard 7) 11 Oct 2016 (Thin PC, Embedded POSReady 7)

14 Jan 2020 (Starter, Home Basic, Home Premium, Professional, Enterprise, Ultimate)

13 Oct 2020 (Embedded Standard 7) 12 Oct 2021 (Thin PC, Embedded POSReady 7)

10 Jan 2023 (ESU for Professional, Enterprise)

10 Oct 2023 (ESU for Embedded Standard 7)

8 Oct 2024 (ESU for Embedded POSReady 7)

Compatible with most Windows Server 2008 R2 Patches beyond EOL (x64 only)

15y 2m 16d [26]
Windows Server 2008 R2 22 Jul 2009 13 Jan 2015 (Foundation, Standard, Web, HPC, Enterprise, Datacenter, Itanium)

12 Apr 2016 (Home Server 2011)

14 Jan 2020 (Foundation, Standard, Web, HPC, Enterprise, Datacenter, Itanium) 23 Jul 2020 (Out of band for Itanium)

10 Jan 2023 (ESU for Standard, Enterprise, Datacenter)2

9 Jan 2024 (ESU Azure for Standard, Enterprise, Datacenter)2

13 Jan 2026 (Premium Assurance for Standard, Enterprise, Datacenter)2

16y 5m 22d [27][28]
Windows 8 1 Aug 2012 12 Jan 2016 (Core, Pro, Enterprise, RT, Embedded Industry)

10 Jul 2018 (Embedded Standard)

11 Jul 2023 (Embedded Standard) Compatible with most Windows Server 2012 Patches beyond EOL (x64 only) 10y 11m 10d [29][30]
Windows Server 2012 1 Aug 2012 9 Oct 2018 10 Oct 2023 13 Oct 2026 (ESU for Foundation, Essentials, Standard, Datacenter) 14y 2m 12d [31]
Windows 8.1 27 Aug 2013 9 Jan 2018 (Core, Pro, Enterprise, RT)

10 Jul 2018 (Embedded Industry)

10 Jan 2023 (Core, Pro, Enterprise, RT)

11 Jul 2023 (Embedded Industry)

Compatible with most Windows Server 2012 R2 Patches beyond EOL (x64 only) 9y 10m 14d [32]
Windows Server 2012 R2 27 Aug 2013 9 Oct 2018 10 Oct 2023 13 Oct 2026 (ESU for Foundation, Essentials, Standard, Datacenter) 13y 1m 16d [33]

1 Custom patches were updates released after the extended support ended, likely requested and paid for by companies with extended support contracts. This date reflects the patch day of the last known update. For more information see MSFN - NT 5.x Windows Update URLs Dump, inc. Custom Support Updates (msfn.org)

2 The Itanium editions (IA-64) do or did not receive further updates in this categories.

3 Workarounds needed - see Windows Update on Windows XP 64-Bit Edition

By architecture

Architecture Inception Death First Win Release RTM Last supported Win Release End Support Total support Cit
x86 (16-bit) Jun 1978 Ongoing4 Windows 1.0 20 Nov 1985 Windows for Workgroups 3.11 Embedded 1 Nov 2008 22y 11m 12d [1][6]
x86 (32-bit) Oct 1985 Ongoing4 Windows NT 3.1 27 Jul 1993 Windows 10 IoT Enterprise LTSC 20211 13 Jan 20321 38y 5m 17d1 [8][34]
MIPS (R4000) Oct 1991 Mar 20214 Windows NT 3.1 27 Jul 1993 Windows NT 4.0 17 Oct 19963 3y 2m 14d [8][35]
DEC Alpha / AXP Nov 1992 Jun 2001 Windows NT 3.1 16 Sep 19932 Windows NT 4.0 31 Dec 2001 8y 3m 15d [36][37][9]
PowerPC (PReP) Oct 1993 Ongoing Windows NT 3.5 21 Sep 1994 Windows NT 4.0 7 Feb 19973 2y 4m 17d [38][39]
Itanium / IA-64 May 2001 Jan 2020 Windows XP 64-bit Edition 25 Oct 2001 Windows Server 2008 R2 14 Jan 2020 18y 2m 20d [40][41]
x86-64 / AMD64 April 2003 Ongoing Windows Server 2003 (SP1) 30 Mar 2005 -1 > 20341 > 28y1 [42]
ARM32 / armv7a Oct 2005 Ongoing4 Windows RT 8.0 26 Oct 2012 Windows RT 8.1 10 Jan 2023 10y 2m 15d [43]
ARM64 / armv8a Oct 2011 Ongoing Windows 10 (1709) 17 Oct 2017 -1 > 20341 > 16y1 [44]

1 Support is ongoing. End dates and releases could still change

2 Exact date unknown

3 Technical support continued during the lifetime of the product, however only on a case by case basis without public patches and software updates. Thus assuming the end date to be the date of the last Service Pack or the discontinuation announcement, whichever is later.

4 Support continued or continues as a subset of a newer architecture or revision. For example x86-64 CPUs can run x86 16-bit and 32-bit code and ARM64 CPUs can run ARM32 code.

Italic: Discontinued since more than 5 years

References

  1. ↑ 1.0 1.1 https://betawiki.net/wiki/Windows_1.0
  2. ↑ 2.0 2.1 2.2 2.3 https://web.archive.org/web/20050814234847/http://support.microsoft.com/gp/lifeobsoleteproducts
  3. ↑ https://en.wikipedia.org/wiki/Windows_2.0
  4. ↑ https://en.wikipedia.org/wiki/Windows_2.1
  5. ↑ https://en.wikipedia.org/wiki/Windows_3.0
  6. ↑ 6.0 6.1 https://en.wikipedia.org/wiki/Windows_3.1
  7. ↑ https://betawiki.net/wiki/Windows_3.1x
  8. ↑ 8.0 8.1 8.2 https://betawiki.net/wiki/Windows_NT_3.1
  9. ↑ 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 https://web.archive.org/web/20050806081755/http://support.microsoft.com/default.aspx?scid=fh;%5bln%5d;LifeWin
  10. ↑ https://en.wikipedia.org/wiki/Windows_NT_3.5
  11. ↑ https://en.wikipedia.org/wiki/Windows_NT_3.51
  12. ↑ https://en.wikipedia.org/wiki/Windows_95
  13. ↑ https://en.wikipedia.org/wiki/Windows_NT_4.0
  14. ↑ https://web.archive.org/web/20150203115938/http://support2.microsoft.com/lifecycle/?p1=3185
  15. ↑ https://www.controleng.com/articles/goodbye-windows-nt/
  16. ↑ https://en.wikipedia.org/wiki/Windows_98
  17. ↑ https://en.wikipedia.org/wiki/Windows_2000
  18. ↑ https://en.wikipedia.org/wiki/Windows_Me
  19. ↑ https://en.wikipedia.org/wiki/Windows_XP#Support_lifecycle
  20. ↑ https://news.microsoft.com/2004/08/25/microsoft-announces-release-of-windows-xp-tablet-pc-edition-2005-as-part-of-windows-xp-service-pack-2/
  21. ↑ https://betawiki.net/wiki/Windows_XP
  22. ↑ https://en.wikipedia.org/wiki/Windows_Server_2003
  23. ↑ https://en.wikipedia.org/wiki/Windows_Home_Server
  24. ↑ https://en.wikipedia.org/wiki/Windows_Vista
  25. ↑ https://en.wikipedia.org/wiki/Windows_Server_2008
  26. ↑ https://en.wikipedia.org/wiki/Windows_7
  27. ↑ https://en.wikipedia.org/wiki/Windows_Server_2008_R2
  28. ↑ https://learn.microsoft.com/en-us/lifecycle/products/windows-home-server-2011
  29. ↑ https://en.wikipedia.org/wiki/Windows_8
  30. ↑ https://en.wikipedia.org/wiki/Windows_Embedded_Industry
  31. ↑ https://en.wikipedia.org/wiki/Windows_Server_2012
  32. ↑ https://en.wikipedia.org/wiki/Windows_8.1
  33. ↑ https://en.wikipedia.org/wiki/Windows_Server_2012_R2
  34. ↑ https://learn.microsoft.com/en-us/lifecycle/products/windows-10-iot-enterprise-ltsc-2021
  35. ↑ https://www.cnet.com/tech/tech-industry/no-more-nt-for-mips/
  36. ↑ https://books.google.de/books?id=8zoEAAAAMBAJ&pg=PA3&redir_esc=y#v=onepage&q&f=false
  37. ↑ https://www.itprotoday.com/it-infrastructure/the-death-of-alpha-on-nt
  38. ↑ https://betawiki.net/wiki/Windows_NT_3.5_build_807
  39. ↑ https://www.itprotoday.com/microsoft-windows/windows-nt-for-powerpc-is-no-more
  40. ↑ https://betawiki.net/wiki/Windows_XP_64-Bit_Edition
  41. ↑ https://learn.microsoft.com/en-us/lifecycle/products/windows-server-2008-r2
  42. ↑ https://betawiki.net/wiki/Windows_Server_2003_build_3790.1830
  43. ↑ https://betawiki.net/wiki/Windows_8
  44. ↑ https://betawiki.net/wiki/Windows_10_Fall_Creators_Update
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