Windows 1.0 BYTE demo

Windows 1.0 "Byte" Build is a pre-release build of Windows 1.0. This build of Windows is the first confirmed to exist, and was shown in the December 1983 issue of BYTE Magazine. It had an interface similar to Word, Multiplan, and Chart for DOS. It was compiled around May 1983 for the Microsoft Mouse. It remains unleaked as of 2017.

Screenshots
 WinB83_1.png|Desktop and Context Menu WinB83_2.png|Basic86 for Windows Win1983p4.jpg|Microsoft Keyboard program from a Microsoft Mouse driver and utilities disk Win1983p5.jpg|Microsft WORD for Windows Win1983p6.jpg|MSWORD and PLAN side by side Win1983p9.jpg|WORD, PLAN, and GRAPH tiled Win1983p10.jpg|GRAPH maximized Win1983p11.jpg|GRAPH dialog box Win1983pcs.jpg| This picture is showing that Windows can be ran on all of these machines. Even an Apple II using a PC emulator card. 