Windows 1.0 is the first official Windows version, released on November 20, 1985.
Development
(Main article: Windows Comdex)
Windows 1.0 development began in late 1983, codenamed “Comdex”. There was no real color scheme; the whole thing was green or monochrome (black-and-white), depending on the version or build.
A screenshot of Windows 1.0 in its beta.
Comparison to MS-DOS and Windows Comdex
Features
- New GUI and desktop environment, allowing the user to use apps easily on a desktop.
- MS-DOS Executive: The computer file manager.
- Complete green or monochrome color scheme.
Features
- Color scheme is now multi-colored.
- Reversi: A game included with Windows 1.0. If you upgrade to Windows 1.0 from an MS-DOS PC with games, those games are still available for use on Windows 1.0.
- Scrolling is now allowed.
Computer Central 
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