10.0.29639.1000.rs_prerelease.260724-1553
| Major version | 10 |
| Minor version | 0 |
| Build number | 29639 |
| Build revision | 1000 |
| Lab string | rs_prerelease |
| Build time | 2026-07-24 15:53:00 |
| Family | 27H1 [Rubidium] |
| Source type | Public release |
| Source details | Windows Update |
| Major version | 10 |
| Minor version | 0 |
| Build number | 29639 |
| Build revision | 1000 |
| Lab string | rs_prerelease |
| Build time | 2026-07-24 15:53:00 |
| Family | 27H1 [Rubidium] |
| Source type | Public release |
| Source details | Windows Update |