Windows 3.0 build 33

Windows 3.0 build 33 is a build of Windows 3.0 that was shared on 23 September 2022, along with some disks of its software development kit. It was also mentioned in an internal Microsoft e-mail from August 1989.

According to the e-mail, it already had working e-mail support, but was rather slow due to extensive debugging hooks. It is referred to as "Win386 v 3.0 rel 1.33".