How to install AMD Radeon RX 570 Drivers on Windows 8.1 (Should work for all RX 500 series)
AMD's support will tell you it is not supported, but that does not mean it will not work :) Direct Link to driver download page: https://www.amd.com/en/support/graphics/radeon-500-series/radeon-rx-500-series/radeon-rx-570
AMD's support will tell you it is not supported, but that does not mean it will not work :) Direct Link to driver download page: https://www.amd.com/en/support/graphics/radeon-500-series/radeon-rx-500-series/radeon-rx-570