Windows 8.1 build 9415 (fbl partner out22)

Windows 8.1 build 9415 (with a build tag of 9415.fbl_partner_out22.130525-0845) is a build of Windows 8.1. Screenshots of this build were leaked on 2013-06-01, while the build itself was leaked on 2020-02-04 only in the Korean language.