List of Microsoft Windows versions


This page lists and links to information on the various versions of Microsoft Windows, a major computer operating system developed by Microsoft.

Personal computer versions

In this section, a client version of Windows is a version that end-users or OEMs can install on personal computers, including desktop computers, laptops and workstations.
Windows versionCodenamesRelease dateRelease versionEditionsLatest buildSupport status
Windows 10Threshold, Redstone, 19H1, 19H2, 20H1, 20H2, 21H1
YYHx, Iron		July 15, 2015
July 29, 2015 		NT 10.0
See Windows 10 editions and Windows 10 version history		19041
18363
  • All editions except LTSB/LTSC: Major versions serviced for 18 months from release date.
  • 2015 LTSB: Mainstream support until October 13, 2020; Extended support until October 14, 2025
  • 2016 LTSB: Mainstream support until October 12, 2021; Extended support until October 13, 2026
  • 2019 LTSC: Mainstream support until January 9, 2024; Extended support until January 9, 2029
Windows 8.1BlueAugust 27, 2013October 17, 2013 NT 6.3
  • Windows 8.1
  • Windows 8.1 Pro
  • Windows 8.1 Enterprise
  • Windows 8.1 OEM
  • Windows 8.1 with Bing
See Windows 8 editions		9600
  • Mainstream support ended on January 9, 2018
  • Extended support ends on January 10, 2023
Windows 8'8'August 1, 2012October 26, 2012 NT 6.2
  • Windows 8
  • Windows 8 Pro
  • Windows 8 Enterprise
  • Windows 8 OEM
See Windows 8 editions		9200
  • Unsupported as of January 12, 2016
Windows 7ViennaJuly 22, 2009October 22, 2009 NT 6.1
See Windows 7 editions		7601

  • Mainstream support ended on January 13, 2015
  • Extended support ended on January 14, 2020
Windows VistaLonghornNovember 8, 2006January 30, 2007 NT 6.0
See Windows Vista editions		6002

  • Mainstream support ended on April 10, 2012
  • Extended support ended on April 11, 2017
Windows XP Professional x64 EditionWhistlerApril 25, 2005NT 5.23790
  • Mainstream support ended on April 14, 2009
  • Extended support ended on April 8, 2014
Windows XPWhistlerAugust 24, 2001October 25, 2001 NT 5.1
See Windows XP editions		2600

  • Mainstream support ended on April 14, 2009
  • Extended support ended on April 8, 2014
Windows MeMillenniumJune 19, 2000September 14, 2000 4.903000
  • Mainstream support ended on December 31, 2003
  • Extended support ended on July 11, 2006
Windows 2000Windows NT 5.0December 15, 1999February 17, 2000 NT 5.0Professional2195
  • Mainstream support ended on June 30, 2005
  • Extended support ended on July 13, 2010
Windows 98Memphis, ChiCairoMay 15, 1998June 25, 1998 4.10
  • Windows 98
  • Windows 98 Second Edition "Codenamed Dolly"
2222 A
  • Mainstream support ended on June 30, 2002
  • Extended support ended on July 11, 2006
    • Windows NT 4.0Shell Update Release July 31, 1996August 24, 1996 NT 4.0
    • Windows NT 4.0 Workstation
    • Windows NT 4.0 Terminal Server "Codenamed Hydra"
    • Windows NT 4.0 Embedded "Codenamed Impala"
    		1381
    • Mainstream support ended on June 30, 2002
    • Extended support ended on June 30, 2004
    Windows 95ChicagoAugust 15, 1995August 24, 1995 4.00
    • Windows 95
    • Windows 95 SP1
    • Windows 95 OSR1
    • Windows 95 OSR2 "Codenamed Detroit"
    • Windows 95 USB Supplement to OSR2
    • Windows 95 OSR2.1
    • Windows 95 OSR2.5
    		950
  • Mainstream support ended on December 31, 2000
  • Extended support ended on December 31, 2001
    • Windows NT 3.51May 30, 1995NT 3.51Windows NT 3.51 Workstation1057
  • Unsupported as of December 31, 2001
    • Windows NT 3.5DaytonaSeptember 21, 1994NT 3.5Windows NT 3.5 Workstation807
  • Unsupported as of December 31, 2001
    • Windows 3.2November 22, 19933.2153
  • Unsupported as of December 31, 2001
    • Windows for Workgroups 3.11SnowballNovember 8, 19933.11300
  • Unsupported as of December 31, 2001
    • Windows NT 3.1RazzleJuly 27, 1993NT 3.1Windows NT 3.1528
  • Unsupported as of December 31, 2000
    • Windows 3.1April 6, 19923.10
  • Windows 3.1
  • Windows for Workgroups 3.1 "Codenamed Sparta, Winball "
    		• 103
  • Unsupported as of December 31, 2001
    • Windows 3.0May 22, 19903.00
  • Unsupported as of December 31, 2001
    • Windows 2.11March 13, 19892.11
  • Windows/286
  • Windows/386
  • Unsupported as of December 31, 2001
    • Windows 2.10May 27, 19882.10
  • Windows/286
  • Windows/386
  • Unsupported as of December 31, 2001
    • Windows 2.03December 9, 19872.03
  • Unsupported as of December 31, 2001
    • Windows 1.04April 10, 19871.04
  • Unsupported as of December 31, 2001
    • Windows 1.03August 21, 19861.03
  • Unsupported as of December 31, 2001
    • Windows 1.02May 14, 19861.02
  • Unsupported as of December 31, 2001
    • Windows 1.0Interface ManagerNovember 20, 19851.01
  • Unsupported as of December 31, 2001

    • Server versions

    Device versions

    Appliances

    Mobile devices

    s include smartphones, handheld tablet computers and personal digital assistants.