Windows 10 build 19634
| Build of Manganese | |
 | |
| OS family | Windows 10 (NT 10.0) |
|---|---|
| Version number | 10.0 |
| Build number | 19634 |
| Build revision | 1 |
| Build lab | mn_release |
| Compiled on | 2020-05-21 |
| SKUs | |
| Pro | |
Windows 10 build 19634 is a build of Manganese, the 20H2 development semester of Windows as a service. A screenshot of this build was shown in a tweet posted by a Microsoft employee on 25 May 2020.[1]