Scans of the 5.25 inch floppy drives on which the "Premiere Edition" of Microsoft Windows was distributed.
Scans of the 5.25 inch floppy drives on which the "Premiere Edition" of Microsoft Windows was distributed.
Detail map of Bellevue, Washington, United States Overview map of Bellevue, Washington, United States

A: Bellevue, Washington, United States

Microsoft introduces Windows 1.0 for the PC

11/20/1985
Screenshot of Microsoft Windows 1.0.
Screenshot of Microsoft Windows 1.0.
On November 20, 1985 Microsoft introduced Windows 1.0 for the PC. Rather than a completely new operating system, Windows 1.0 was a graphical user interface (GUI) multi-tasking operating environment extension of MS-DOS.

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