Windows 10 build 18939
| Build of Windows 10 May 2020 Update | |
| OS family | Windows 10 (NT 10.0) |
|---|---|
| Version number | 10.0 |
| Build number | 18939 |
Windows 10 build 18939 is an unleaked build of Windows 10 May 2020 Update. An issue related to this build was posted to GitHub by a Microsoft employee on 12 July 2019.[1]