Well, i installing build 99xx and it is all ok; Upgrade 10041 and now my W 7 get "non genuine" Enterprise version of w 10. W 10 on disk 0 W 7 on disk 1 After upgrade, via update, w 10 is not activated ed after a reboot with no more action it get activated, bat I lost my activation of W 7 ultimate. That is ... Another issue, no audio on v 10 - pq5pro asus with via audio chip -. W 7 drivers, x 64, fall on installation and broke the system - restore work. Ps . Sorry for my english.