Preliminary Version 0.50 is a pre-release build of Microsoft Windows 1.0. A total of 4 files, namely CGA.LGO
, WINOLDAP.GRB
, WIN256.COM
, and a part of WIN100.EXE
from this build were recovered from Premiere Edition by BetaArchive members jb881122 and Lucas Brooks (formerly known as ComputerHunter) in June 2020.[1][2]