History of microsoft windows operating system

windows started

Nov 10, 1983

Bill Gates announces Microsoft Windows November 10, 1983.

windows 1.0

Nov 20, 1985

Starting with good earnings, Microsoft Windows 1.0 is introduced in November 20, 1985 and is initially sold for $100.00.

microsoft 2.03

Dec 9, 1987

Microsoft Windows 2.0 was released December 9, 1987 and is initially sold for $100.00.

microsoft windows 2.86

Jun 19, 1988

Microsoft Windows/286 or Windows 286 is introduced June, 1988 and is initially sold for $100.00.

microsoft windows 3.0

May 22, 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 WINDOWS NT 3.0A

Oct 9, 1991

Following its decision not to develop operating systems cooperatively with IBM, Microsoft changes the name of OS/2 to Windows NT.
Microsoft Windows 3.0 or Windows 3.0a with multimedia was released October, 1991.

MW for workgroups 3.1

Oct 6, 1992

Microsoft Windows for Workgroups 3.1 was released October, 1992.