List of Microsoft operating systems

This is a list of Microsoft written and published operating systems. For the codenames that Microsoft gave their operating systems, see List of Windows codenames. For versions of Microsoft Windows, see List of Microsoft Windows versions.

MS-DOS[]

Main article: List of Microsoft Windows versions

Name	Date of release
Windows 1.0	November 20, 1985
Windows 2.xx	December 9, 1987
Windows 3.0	May 22, 1990
Windows 3.1	April 8, 1992
Windows NT 3.1	October 27, 1993
Windows NT 3.5	September 21, 1994
Windows NT 3.51	May 30, 1995
Windows 95	August 24, 1995
Windows NT 4.0	July 31, 1996
Windows 98	June 25, 1998
Windows 98 SE	May 5, 1999
Windows 2000	February 17, 2000
Windows Me	September 14, 2000
Windows XP	October 25, 2001
Windows XP Embedded	January 30, 2002
Windows XP Media Center Edition	October 28, 2002
Windows XP Tablet PC Edition	November 7, 2002
Windows XP 64-bit Edition	March 28, 2003
Windows Server 2003	April 24, 2003
Windows Small Business Server 2003	October 9, 2003
Windows XP Starter	August 11, 2004
Windows XP Professional x64 Edition	April 25, 2005
Windows Embedded for Point of Service	June 6, 2005
Windows Server 2003 R2	2005
Windows Vista	January 30, 2007
Windows Home Server	November 4, 2007
Windows Server 2008	February 27, 2008
Windows Small Business Server 2008	August 21, 2008
Windows Embedded Standard 2009	December 14, 2008
Windows Embedded POSReady 2009	December 14, 2008
Windows 7	October 22, 2009
Windows Server 2008 R2	October 22, 2009
Windows Server 2012	September 4, 2012
Windows 8	October 26, 2012
Windows 8.1	October 17, 2013
Windows Server 2012 R2	October 18, 2013
Windows CE
Pocket PC 2000	2000
Pocket PC 2002	2002
Windows Mobile

Main article: OS/2