If you use boot camp to run windows on your mac, you can visit the amd website to download the latest version of their drivers for windows. Download your copy of windows 10, then let boot camp assistant walk you through the installation steps. Suffice to say it didn't survive the encounter.
Betsy bootcamp started as a response to her experience in gymnastics. Djandyw ripped and upped the boot camp folder from a 2011 imac install dvd.