History of Windows OS By yorkdaleonline Nov 20, 1985 Windows 1.0 sdfsdf Period: Nov 20, 1985 to Oct 22, 2010 Timespan of Windows OS Nov 30, 1987 Windows 2.0 May 22, 1990 Windows 3.0 Apr 6, 1992 Windows 3.1x Aug 24, 1995 Windows 95 Jun 25, 1998 Windows 98 Sep 14, 2000 Windows Me Oct 25, 2001 Windows XP Jan 30, 2007 Windows Vista Oct 22, 2009 Windows 7