Windows 3.0 build 31

1.31
Build of Windows 3.0
Screenshot
OS family16-bit Windows
Version number3.0
Build number31
Architecturex86 16-bit
Compiled on1989-07-13

Windows 3.0 build 31 is an unleaked build of Windows 3.0 which was mentioned in several files within build 33. It is likely these files had not been recompiled by the time of build 33’s compilation on 27 July 1989.

<Win 3.00 build 1.31 13 Jul 1989> Copyright (c) Microsoft 1983,1984,1985,1986,1987,1988,1989