Windows NT 3.1 Betas
From Computer History Wiki
These are the known betas and pre-releases of Windows NT 3.1
- 32-Bit Development Kit October 1991
- 32-Bit Development Kit for Windows NT (December 1991) build 239
- Preliminarly Release for Developers build 297
- Windows NT 3.1 August 1992 beta
- Windows NT 3.1 October 1992 beta
- Windows NT 3.1 March 1993 beta
This list is by no means complete. The build for the October 1991 version is unknown.