Windows 1.0 Alpha Release

Windows 1.0 Alpha Release is a pre-release build of Windows 1.0. This build is very similar to Developer Release 5, and was the last known build to include the source code of sample applications.

Easter Eggs
In FONTTEST.C, there is a funny quote:
 * 1) define Alphabet (LPSTR)"Jackdaws love my big sphinx of quartz. ABCDEFGHIjKLMOPQRSTUVWXYZ"

Said sentence, interestingly, uses every letter in the alphabet.