Ok first off you should set your BIOS SATA setting to AHCI
Next why aggravate yourself with a clean install, simple use a quality cloning program and clone your current hard drive to your new SSD. In 15 minutes you will be up and running just as you are now.. On your much faster SSD.
Otherwise GPS3DX has a good step by step on how to install UEFI
https://rog.asus.com/forum/showthread.php?76993-Guide-How-to-install-windows-8-8-1-10-The-proper-way... have fun with all the reconfiguration of your notebook after a clean install. Have all your Drivers ready to reinstall, Save your eSupport Folder is contains all of them and factory software.
Anyway a Clean windows 10 install will overwrite all your hardware drivers with Windows Native drivers, so you'll most likely have issues when you boot up these will be resolved by reinstalling the Asus Tested and approve drivers.
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