1983 Microsoft Windows was announced November, 1983 and sells for $100.00.
1985 Microsoft Windows 1.0 is introduced in November, 1985 and is initially sold for $100.00.
1987 Microsoft Windows 2.0 was released December 9, 1987 and is initially sold for $100.00.
1987 Microsoft Windows/386 or Windows 386 is introduced December 9, 1987 and is initially sold for $100.00.
1988 Microsoft Windows/286 or Windows 286 is introduced June, 1988 and is initially sold for $100.00.
1990 Microsoft Windows 3.0 was released May, 22 1990. Microsoft Windows 3.0 full version was priced at $149.95 and the upgrade version was priced at $79.95.
1991 Microsoft Windows 3.0 or Windows 3.0a with multimedia was released October, 1991.
1992 Microsoft Windows 3.1 was released April, 1992 and sells more than 1 Million copies within the first two months of its release.
1992 Microsoft Windows for Workgroups 3.1 was released October, 1992.
1993 Microsoft Windows NT 3.1 was released August, 1993.
1993 The number of licensed users of Microsoft Windows now totals more then 25 Million.
1994 Microsoft Windows for Workgroups 3.11 was released February, 1994.
1994 Microsoft Windows NT 3.5 was released September, 1994.
1995 Microsoft Windows NT 3.51 was released June, 1995.
1995 Microsoft Windows 95 was released August, 1995 and sells more than 1 Million copies within 4 days.
1996 Microsoft Windows NT 4.0 was released August, 1996.
1996 Microsoft Windows CE 1.0 was released November, 1996.
1997 Microsoft Windows CE 2.0 was released November, 1997.
1998 Microsoft Windows 98 was released June, 1998.
1998 Microsoft Windows CE 2.1 was released July, 1998.
1999 Microsoft Windows 98 SE (Second Edition) was released May, 1999.
1999 Microsoft Windows CE 3.0 was released 1999.
2000 Microsoft Windows 2000 was released February 2000.
2000 Microsoft Windows ME (Millennium) released July 2000.
2001 Microsoft Windows XP is released October 25, 2001.
