Hello, i'm going to get a RX 580 for my pc and i saw on some forums that the AMD 500 Series doesn't have drivers support for Windows 8 and i have Windows 8.1, so i have to change to Windows 7 or Windows 10. I wanted to go with Windows 10 because i read i can use the official license from Windows 8.1 to activate Windows 10, but another problem is that my motherboard (An MSI 760GMA P34 FX) doesn't have driver support for Windows 10. I've already tried W10 Pro without activating it (Couldn't try to activate it because i don't have internet connection to my pc right now, i'm using my phone) i was able to install audio drivers correctly and connect to my wifi (Without internet connection) and apparently everything works fine. What should i do besides changing the mobo? (wich i cannot do right now) I can go with Windows 7 if that's the case, but another problem is that the licenses are kinda expensive and I'm on a really tight budget (Someone already recommended me getting a license on Gvgmall since they're really really cheap, but i have read that it's not safe) Thank you.