Windows 1.0/Alpha Release

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Build of Windows 1.0
Kernel 1.0
Architecture x86 (16-bit)
BIOS date 1985-02-01
TCB Build Page TCB Build Page
TCB Gallery TCB Gallery Page

Windows 1.0 Alpha Release is a pre-release version of Windows 1.0, that was shipped to testers in 1985-01-31. It features support for running DOS applications under Windows, a monochrome EGA display driver and stability improvements. It's also the last known build to include the source code of sample applications. According to a comment in the WININST.BAT file.

Machine requirements

This release is designed for users of IBM and COMPAQ personal computers running MS-DOS or PC-DOS, with a graphical display adapter (CGA and Hercules adapters supported), a floppy disk drive, and a hard disk drive.