Windows 10 build 20172
| Build of Iron | |
 | |
| OS family | Windows 10 (NT 10.0) |
|---|---|
| Version number | 10.0 |
| Build number | 20172 |
| Build lab | rs_prerelease |
| Compiled on | 2020-07-14 |
| SKUs | |
| Enterprise | |
Windows 10 build 20172 is a build of Iron, the 21H1 development semester of Windows as a service. A screenshot of this build was posted to GitHub by a Microsoft employee on 18 July 2020.[1]