Windows NT 3.1 PDK 2 RC9 build
| Build of Windows NT 3.1 | |
 | |
| Release name | Release Candidate 9 |
|---|---|
| OS family | Windows NT |
| Version number | 1.0 |
| Architecture | x86 |
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.