macOS High Sierra build 17A263z

17A263z
Build of macOS High Sierra
MacOS-HighSierra-17A264c-Desktop.png
Architecturex64
Compiled
Timebomb
Works in

macOS High Sierra build 17A263z is the first release of official Beta 1 build of macOS High Sierra 10.13. This build was released to Apple developers on 5 June 2017. But this version was pulled shortly after release, and it was replaced by 17A264c.