List of Microsoft Windows versions

Name Release
date
Release
version
number
Editions
Windows 8.1 18 October 2013 NT 6.3
  • Windows 8.1
  • Windows 8.1 Pro
  • Windows 8.1 Enterprise
Windows 8 26 October 2012 NT 6.2
  • Windows 8
  • Windows 8 Pro
  • Windows 8 Enterprise

See Windows 8 editions

Windows 7 22 October 2009 NT 6.1
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Enterprise
  • Windows 7 Ultimate
  • Windows Thin PC

See Windows 7 editions

Windows Vista 30 January 2007 NT 6.0
  • Windows Vista Home Premium
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Ultimate

See Windows Vista editions

Windows XP Professional x64 25 April 2005 NT 5.2 N/A
Windows XP 25 October 2001 NT 5.1

See Windows XP editions

Windows ME 14 September 2000 4.90 N/A
Windows 2000 17 February 2000 NT 5.0 Professional
Windows 98 25 June 1998 4.10
Windows NT 4.0 24 August 1996 NT 4.0 Windows NT 4.0 Workstation
Windows 95 24 August 1995 4.00
  • Windows 95
  • Windows 95 SP1 (31 December 1995)
  • Windows 95 OSR1 (14 February 1996)
  • Windows 95 OSR2 (24 August 1996)
  • Windows 95 USB Supplement to OSR2 (27 August 1997)
  • Windows 95 OSR2.1 (27 August 1997)
  • Windows 95 OSR2.5 (26 November 1997)
Windows NT 3.51 30 May 1995 NT 3.51 Windows NT 3.51 Workstation
Windows NT 3.5 21 September 1994 NT 3.50 Windows NT 3.5 Workstation
Windows 3.2 22 November 1993 3.2 Simplified Chinese only
Windows for Workgroups 3.11 November 1993 3.11 N/A
Windows NT 3.1 27 July 1993 NT 3.10 Windows NT 3.1
Windows 3.1 April 1992 3.10
  • Windows 3.1
  • Windows for Workgroups 3.1 (October 1992)
Windows 3.0 22 May 1990 3.00 N/A
Windows 2.11 13 March 1989 2.11
  • Windows/286
  • Windows/386
Windows 2.10 27 May 1988 2.10
  • Windows/286
  • Windows/386
Windows 2.0 9 December 1987 2.0 N/A
Windows 1.04 April 1987 1.04 N/A
Windows 1.03 August 1986 1.03 N/A
Windows 1.01 20 November 1985 1.01 N/A

Server versions

Name Release
date
Release
version
number
Editions
Windows Server 2012 R2 2013 NT 6.3
  • Windows Server 2012 R2 Foundation
  • Windows Server 2012 R2 Essentials
  • Windows Server 2012 R2 Standard
  • Windows Server 2012 R2 Datacenter
Windows Server 2012 2012 NT 6.2
  • Windows Server 2012 Foundation
  • Windows Server 2012 Essentials
  • Windows Server 2012 Standard
  • Windows Server 2012 Datacenter
  • Windows MultiPoint Server 2012
Windows Server 2008 R2 2010 NT 6.1
Windows Server 2008 2008 NT 6.0
Windows Server 2003 R2 2006 NT 5.2
  • Windows Small Business Server 2003 R2
  • Windows Server 2003 R2 Web Edition
  • Windows Server 2003 R2 Standard Edition
  • Windows Server 2003 R2 Enterprise Edition
  • Windows Server 2003 R2 Datacenter Edition
  • Windows Compute Cluster Server 2003 (CCS)
  • Windows Storage Server
  • Windows Home Server
Windows Server 2003 2003 NT 5.2
  • Windows Small Business Server 2003
  • Windows Server 2003 Web Edition
  • Windows Server 2003 Standard Edition
  • Windows Server 2003 Enterprise Edition
  • Windows Server 2003 Datacenter Edition
  • Windows Storage Server
Windows 2000 17 February 2000 NT 5.0
  • Windows 2000 Server
  • Windows 2000 Advanced Server
  • Windows 2000 Datacenter Server
Windows NT 4.0 29 July 1996 NT 4.0
  • Windows NT 4.0 Server
  • Windows NT 4.0 Server Enterprise
  • Windows NT 4.0 Terminal Server Edition
Windows NT 3.51 June 1995 NT 3.51 Windows NT 3.51 Server
Windows NT 3.5 September 1994 NT 3.50 Windows NT 3.5 Server
Windows NT 3.1 August 1993 NT 3.10 Windows NT 3.1 Advanced Server

Device versions

Appliances

Name Release
date
Release
version
number
An edition of Sold with
Windows RT 8.1 18 October 2013 NT 6.3 Windows 8.1 ARM-based tablet computers
Windows RT 26 October 2012 NT 6.2 Windows 8 ARM-based tablet computers
Windows 7 Starter 22 October 2009 NT 6.1 Windows 7 Low cost netbooks in emerging markets
Windows Vista Starter 30 January 2007 NT 6.0 Windows Vista Low cost netbooks in emerging markets
Windows XP Tablet PC Edition November 2002 NT 5.1 Windows XP Microsoft Tablet PC
Windows XP Media Center Edition 2002, 2003, 2004 and 2005 NT 5.1 Windows XP Home theater PCs and set-top boxes

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