Microsoft Windows Release History
| Version | Release date |
| Windows 1.0 | November 20, 1985 |
| Windows 1.02 | May 14, 1986 |
| Windows 1.03 | August 21, 1986 |
| Windows 1.04 | April 10, 1987 |
| Windows 2.03 | December 9, 1987 |
| Windows 2.10 | May 27, 1988 |
| Windows 2.11 | March 13, 1989 |
| Windows 3.0 | May 22, 1990 |
| Windows 3.1 | April 6, 1992 |
| Windows NT 3.1 | July 27, 1993 |
| Windows for Workgroups 3.11 | November 8, 1993 |
| Windows 3.2 | November 22, 1993 |
| Windows NT 3.5 | September 21, 1994 |
| Windows NT 3.51 | May 30, 1995 |
| Windows 95 | August 15, 1995 |
| Windows NT 4.0 | July 31, 1996 |
| Windows 98 | June 25, 1998 |
| Windows 98 SE |
June 10, 1999 |
| Windows 2000 | December 15, 1999 |
| Windows Me | June 19, 2000 |
| Windows XP | August 24, 2001 |
| Windows XP Professional x64 Edition | April 25, 2005 |
| Windows Vista | November 8, 2006 |
| Windows 7 | July 22, 2009 |
| Windows 8 | August 1, 2012 |
| Windows 8.1 | August 27, 2013 |
| Windows 10 | July 15, 2015 |
