This is the first time something like this has happened to me, I try to run the setup.exe and my pc comes up with the it's stopped working bs, I don't know if it's something to do with X64 or not. It says its supported for 8.1 but I know to take that with a grain of salt....
I'm running windows 8.1 on a AMD 8320 on a ASUS Sabertooth 990fx r2.0