10.0.27909.1000.rs_prerelease.250721-1207
| Major version | 10 |
| Minor version | 0 |
| Build number | 27909 |
| Build revision | 1000 |
| Lab string | rs_prerelease |
| Build time | 2025-07-21 12:07:00 |
| Family | 26H1 [Bromine] |
| Source type | Public release |
| Source details | Windows Update |
| Major version | 10 |
| Minor version | 0 |
| Build number | 27909 |
| Build revision | 1000 |
| Lab string | rs_prerelease |
| Build time | 2025-07-21 12:07:00 |
| Family | 26H1 [Bromine] |
| Source type | Public release |
| Source details | Windows Update |