User:Degrader/Sandbox/2

March 1991 build
Build of Windows 3.1
OS family16-bit Windows
Version number3.1
Architecturex86 16-bit
Compiled on1991-03-20

The Windows 3.1 March 1991 build is an early build of Windows 3.1. Multiple system files from this build are used as the Windows-on-Windows compatibility layer in the Windows NT 3.1 April 1991 build.