Windows 8 build 8173 (fbl_uex_cxe_dev1)

6.2.8173.fbl_uex_cxe_dev1
Build of Windows 8
Screenshot
Setup autorun
OS familyWindows NT
Version number6.2
Build number8173
Build labfbl_uex_cxe_dev1
Compiled on2011-12
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.