Windows 11 build 25238
| Build of Copper | |
 | |
| OS family | Windows 11 (NT 10.0) |
|---|---|
| Version number | 10.0 |
| Build number | 25238 |
| Build lab | rs_apps |
| Compiled on | 2022-11-01 |
| SKUs | |
| Enterprise | |
Windows 11 build 25238 is the last known build of Copper, the 23H1 development semester of Windows as a service. It was showcased during the Windows Server Summit digital event on 6 December 2022.[1]