Windows 10 build 10102 (winmain prs)

Windows 10 build 10102 (winmain_prs) is a build of Windows 10, which was shared on BetaArchive on 29 April 2015. Despite the build number being higher than the first officially released Insider Preview, it was compiled seven days earlier in a similar fashion to Windows Vista build 5712, Windows 7 build 7106 (winmain) and Windows 8 build 8277.

This is the latest available build to identify itself as Technical Preview.

Changes
A new sound scheme is included, though most of the sounds would be replaced in later builds.