Forget it - - there are no manufacturer's drivers available for Windows 8.1,
only Windows 10 is supported on that model:
https
/www.asus.com/Notebooks/VivoBook-Pro-N552VX/HelpDesk_Download/
So if you installed Windows 8.1 (or any other version below 10), several devices wouldn't work properly or wouldn't work at all (eg sound, graphics, WiFi, ethernet, etc).