Windows 8 build 8173 (fbl_uex_cxe_dev1)
| Build of Windows 8 | |
 Setup autorun | |
| OS family | Windows NT |
|---|---|
| Version number | 6.2 |
| Build number | 8173 |
| Build lab | fbl_uex_cxe_dev1 |
| Compiled on | 2011-12 |
| SKUs | |
Beta (Prerelease) | |
Windows 8 build 8173 (fbl_uex_cxe_dev1) is an unconfirmed build of Windows 8. A screenshot of its setup autorun was shared online on 1 September 2024, along with screenshots of an internal Microsoft release of build 9200 (win8_rtm) and an additional screenshot of build 7758's Internet Explorer application.
The build notably comes from a branch intended for shell development, particularly core aspects of the Windows shell such as the File Explorer user interface.