Windows 3.x/3.1.34f

Windows 3.1 build 34f is an official beta 1 release of Windows 3.1. An incomplete copy of this build was leaked to OSBetaArchive by member shagin099. The full copy was later leaked by ReflectiaX in January 2021. It was originally believed to be build 34e for a long time, however, this was later proven to be inaccurate.

This build was also reviewed in the Serbian computer magazine "Računari" ("Computers"), namely in its December 1991 edition.