Windows 8 here, refuse to upgrade to 8.1 and have to get all my damned drivers redownloaded and working again. The crashing is rare but it was quite active yesterday (3 or 4 times yesterday, not once yet today *knocks on wood*). But if you're going to mention that I guess I should also mention I load the game through WTFast since my connection can be crap and useless, however I've been doing that for the past few months without an issue until a few days ago.