Skip to Mai Year Event 1983 Bill Gates announced Microsoft Windows on November 10, 1983 . 1985 Microsoft Windows 1.0 is introduced on November 20, 1985, and is initially sold for $100.00. 1987 Microsoft Windows 2.0 was released on December 9, 1987, and is initially sold for $100.00. 1987 Microsoft Windows/386 or Windows 386 is introduced on December 9, 1987, and is initially sold for $100.00. 1988 Microsoft Windows/286 or Windows 286 is introduced in June 1988, and is initially sold for $100.00. 1990 Microsoft Windows 3.0 was released on May, 22 1990. Microsoft Windows 3.0 full version was priced at $149.95 and the upgrade version was priced at $79.95. 1991 Following its decision not to develop operating systems cooperatively with IBM , Microsoft changes the name of OS/2 to Windows NT . 1991 Microsoft Windows 3.0 or Windows 3.0a with multimedia was released in October 1991. 1992 Microsoft Windows 3...
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