Timeline of Microsoft Windows

This article presents a timeline of events in the history of Microsoft Windows operating systems from 1985.

The Windows family tree

Desktop and server
Release date Title Architectures Based Upon
November 20, 1985 Windows 1.0x86 – 16-bitMS-DOS
December 9, 1987 Windows 2.0x86 – 16-bitMS-DOS
May 27, 1988 Windows 2.10x86 – 16-bitMS-DOS
March 13, 1989 Windows 2.11x86 – 16-bitMS-DOS
May 22, 1990 Windows 3.0x86 – 16-bitMS-DOS
October 20, 1991 Windows 3.0 with Multimedia Extensionsx86 – 16-bitMS-DOS
April 6, 1992 Windows 3.1x86 – 16-bitMS-DOS
October 27, 1992 Windows for Workgroups 3.1x86 – 16-bitMS-DOS
July 27, 1993 Windows NT 3.1IA-32, DEC Alpha, MIPSWindows NT
November 8, 1993 Windows for Workgroups 3.11x86 – 16-bitMS-DOS
September 21, 1994 Windows NT 3.5IA-32, DEC Alpha, MIPSWindows NT
May 30, 1995 Windows NT 3.51IA-32, DEC Alpha, MIPS, PowerPCWindows NT
August 24, 1995 Windows 95IA-32MS-DOS
August 24, 1996 Windows NT 4.0IA-32, DEC Alpha, MIPS, PowerPCWindows NT
June 25, 1998 Windows 98IA-32MS-DOS
May 5, 1999 Windows 98 SEIA-32MS-DOS
February 17, 2000 Windows 2000IA-32Windows NT
September 14, 2000 Windows MeIA-32MS-DOS
October 25, 2001 Windows XPIA-32Windows NT
October 25, 2001[1] Windows XP 64-Bit Edition (v2002)ItaniumWindows NT
October 31, 2002 Windows XP Media Center EditionIA-32Windows NT
March 28, 2003[2] Windows XP 64-Bit Edition (v2003)ItaniumWindows NT
April 24, 2003 Windows Server 2003IA-32, x64, ItaniumWindows NT
September 30, 2003 Windows XP Media Center Edition 2004IA-32Windows NT
October 12, 2004 Windows XP Media Center Edition 2005IA-32Windows NT
April 25, 2005 Windows XP Professional x64 Editionx64Windows NT
December 6, 2005 Windows Server 2003 R2IA-32, x64, ItaniumWindows NT
July 8, 2006 Windows Fundamentals for Legacy PCsIA-32Windows NT
November 30, 2006 Windows Vista for Business useIA-32, x64Windows NT
January 30, 2007 Windows Vista for Home use; released in fifty countriesIA-32, x64Windows NT
November 7, 2007 Windows Home ServerIA-32, x64Windows NT
February 27, 2008 Windows Server 2008IA-32, x64Windows NT
October 22, 2009 Windows 7IA-32, x64Windows NT
October 22, 2009 Windows Server 2008 R2x64Windows NT
April 6, 2011 Windows Home Server 2011x64Windows NT
July 1, 2011 Windows Thin PCIA-32[3]Windows NT
September 4, 2012 Windows Server 2012x64Windows NT
October 26, 2012 Windows 8IA-32, x64Windows NT
October 26, 2012 Windows RTARMWindows NT
October 18, 2013 Windows 8.1IA-32, x64Windows NT
October 18, 2013 Windows RT 8.1ARMWindows NT
October 18, 2013 Windows Server 2012 R2x64Windows NT
July 29, 2015 Windows 10IA-32, x64, ARMWindows NT
September 27, 2016 Windows Server 2016x64Windows NT
October 2, 2018 Windows Server 2019x64Windows NT

Mobile
Timeline of Windows CE Development
Date Release Notes
November 16, 1996 Windows CE 1.0
June 25, 1997 Windows CE 1.01
September 29, 1997 Windows CE 2.0
November 1, 1997 Windows CE 2.0 Handheld PC (H/PC)
January 8, 1998 Windows CE 2.01 Palm-sized PC, Pocket PC (P/PC) and smartphone
January 8, 1998 Windows CE 2.01 Auto PC
March 1, 1998 Windows CE 2.10
July 1, 1999 Windows CE 2.11
September 28, 1999 Windows CE 2.12
April 19, 2000 Windows CE 3.0
April 19, 2000 Pocket PC 2000 Palm-sized PC, Pocket PC (P/PC) and smartphone
September 25, 2000 Windows CE 3.0 Core Add-on Pack
October 4, 2001 Pocket PC 2002 Palm-sized PC, Pocket PC (P/PC) and smartphone
January 7, 2002 Windows CE 4.0
June 1, 2002 Windows CE 4.1 .NET Core
April 23, 2003 Windows CE 4.2 .NET Core
June 23, 2003 Windows Mobile 2003
March 24, 2004 Windows Mobile 2003 SE
July 9, 2004 Windows CE 5.0
May 9, 2005 Windows Mobile 5.0
September 15, 2006 Windows CE 6.0
February 12, 2007 Windows Mobile 6.0
April 1, 2008 Windows Mobile 6.1
May 11, 2009 Windows Mobile 6.5
November 8, 2010 Windows Phone 7
March 1, 2011 Windows Embedded Compact 7
October 29, 2012 Windows Phone 8
June 13, 2013 Windows Embedded Compact 2013
April 14, 2014 Windows Phone 8.1
November 20, 2015 Windows 10 Mobile

See also
  • History of Microsoft Windows
  • Comparison of Microsoft Windows versions
  • Microsoft version numbering
  • List of Microsoft codenames
  • Timeline of DOS operating systems
  • History of operating systems
  • Timeline of OpenBSD
  • Comparison of operating systems
  • List of operating systems

References
  1. "Microsoft Unveils Plans for 64-Bit Windows Platform". News Center. Microsoft. May 23, 2001.
  2. "Microsoft Releases Windows XP 64-Bit Edition Version 2003 to Manufacturing". News Center. Microsoft. March 28, 2003.
  3. "Microsoft Windows Thin PC Specs". CNET. CBS Interactive.
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