MS Window 8.1 be sure to download the correct version 64 Bit Core, or if you have a pro Product key then Pro.
You get your hardware driver from
http://support.asus.com/download/options.aspx?SLanguage=en&type=1 Asus Support Downloads
You should really create the
backtracker restore to factory condition media its good to have should you want to bring it back to shipping state, like to sell it!! or to trouble shoot problems
G752VY-DH72 Win 10 Pro
512 GB M.2 Samsung 960 Pro
1 TB Samsung 850 pro 2.5 format
980m GTX 4 GB
32GB DDR 4 Standard RAM
Z97 PRO WiFi I7 4790K
Windows 10 Pro
Z97 -A
Windows 10 Pro