History of Microsoft Windows By SamSwope Nov 20, 1985 Windows 1.0 Introduced Dec 9, 1987 Windows 2.0 Introduced May 22, 1990 Windows 3.0 Introduced Jul 27, 1993 Windows NT Released Aug 24, 1995 Windows 95 Released Jun 25, 1998 Windows 98 Introduced Jul 1, 1999 Windows Me Released date not known Jul 1, 2000 Windows 2000 introduced Oct 25, 2001 Windows XP Released Jan 1, 2006 Windows Vista exact date not known Jan 1, 2009 Windows 7 Released exact date not known Jan 1, 2012 Windows 8 Released exact date not known