Windows 8 build 8140

Windows 8 build 8140 is a build of Windows 8. This build was leaked to BetaArchive on 24 February 2020, along with its server counterpart.

It contains the new "Windows 8 Beta" branding in System Properties and the winver banner. However, some parts of this build, including boot screen and setup, still mentions "Windows Developer Preview".

Timebomb
It is one of the notable Windows 8 builds that has a broken timebomb and can be installed on the current date.