Windows NT 3.1 build 186
| Build of Windows NT 3.1 | |
 | |
| OS family | Windows NT |
|---|---|
| Version number | 1.0 |
| Build number | 186 |
| Architecture | x86 |
Windows NT 3.1 build 186 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 22 August 1991, so it was almost certainly compiled shortly before that.