Windows NT 3.1 PDK 2 RC9 build

PDK 2 RC9
Build of Windows NT 3.1
Screenshot
Release nameRelease Candidate 9
OS familyWindows NT
Version number1.0
Architecturex86

Windows NT 3.1 PDK 2 RC9 is a build of Windows NT 3.1, which was mentioned in the file TEXTHIST.XLS from the Windows NT 3.5 build 782.1 source code. This build was being tested on 3 December 1991, so it was almost certainly compiled shortly before that.