I've tried both, none work. All my drivers are up to date, my DirectX is 11.0, my OS is Windows 7 Extreme, it's only my graphics card that is complete garbage(64MB); I was planning to change it, but I've just repaired this PC. However, even with that EPW should work.
EDIT: I'm almost certain it is the DirectX features, because I've compared it to my laptop and it says "Enabled" at all three points. Problem is, I've no idea how to enable them, any help? This is what I'm talking about: