This beta driver will allow a 30-146Hz FreeSync range on your AOC monitor. 

However, it is not a WHQL-signed driver and you will have to disable driver signature verification on Windows before installing it.

More information here:
http://www.howtogeek.com/167723/how-to-disable-driver-signature-verification-on-64-bit-windows-8.1-so-that-you-can-install-unsigned-drivers/
