Template:Infobox WindowsBuild Windows 1.0 Beta Release is a pre-release version of Windows 1.0, shipped to testers in 1985-05-08. The source code and documentation for the developers was moved to a package called "Software Development Kit" (or simply SDK).
Machine requirements
This version is designed for users of IBM and COMPAQ personal computers running MS-DOS or PC-DOS, and requires a graphical display adapter.
