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Events on Wednesday 20 November 1985 1
1985Microsoft Windows 1.0 releasedMicrosoft's first graphical operating environment shipsMicrosoft released Windows 1.0 on 20 November 1985, its first graphical extension for MS-DOS featuring overlapping windows, menus and a mouse-driven interface. Early sales were modest and the software required substantial hardware for its time. It laid the groundwork for the Windows line that would come to dominate personal computing.