Windows 1.0 Preliminary Version 0.50

Windows 1.0 Preliminary Version 0.50 is a pre-release build of Windows 1.0. BetaArchive member ComputerHunter found the logo file for this build on disk 3 of Premiere Edition on 2020-06-19. The file WIN256.COM (similar to WIN.CNF in later builds) was recovered, and part of a fragmented WIN100.EXE, which included MSDOS.EXE and MSDOSD.EXE, was also recovered.