Microsoft By terrymadill Aug 25, 1981 MS-DOS Nov 20, 1985 Windows Dec 9, 1987 Windows 2.0 May 22, 1990 Windows 3.0 Jul 27, 1993 Windows NT 3.1 Aug 24, 1995 Windows 95 Nov 16, 1996 Windows CE Jun 25, 1998 Windows 98 Feb 17, 2000 Windows 2000 Oct 21, 2000 Windows Millennium Edition Oct 25, 2001 Windows XP Jan 30, 2007 Windows Vista Oct 22, 2009 Windows Seven
