Windows 10 build 20274
| Build of Iron | |
| OS family | Windows 10 (NT 10.0) |
|---|---|
| Version number | 10.0 |
| Build number | 20274 |
| Build revision | 1001 |
Windows 10 build 20274 is a build of Iron, the 21H1 development semester of Windows as a service. Several issues related to this build were posted to GitHub by a Microsoft employee on 5 December 2020.[1][2]