Codex Gamicus
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Windows 1.01 is a 16-bit graphical operating system developed by Microsoft Corporation and released to the public on November 20, 1985. It runs as a graphical shell on top of an existing MS-DOS installation. Support was officially discontinued on December 31, 2001.

Windows 1.01 offered limited multitasking. Some basic applications included with Windows 1.0 were Calculator, Calendar, Clipboard Viewer, Clock, Notepad, Reversi, Paint, Write, and Cardfile.

Minimum Specifications[]

MS-DOS MS-DOS Minimum/Recommended Specifications
Minimum Specifications Recommended Specifications
System For Compaq and IBM Personal Computers.
Operating System MS-DOS 2.0 Operating System MS-DOS 3.0
CPU Intel-logo 8088 CPU Intel-logo 80286
RAM 192 KB conventional memory RAM 512 KB conventional memory
Graphics IBM CGA, IBM EGA, Hercules graphics card or compatibles.
Storage Storage Hard disk installation recommended if running MS-DOS 3.0 or higher, or if the user intends to run multiple programs.
Floppy Disk Drive Two double-sided Floppy Disk Drives are required for Installation. Windows 1.0 designed to be installed to a floppy disk.



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