Try to keep an eye on your temperatures. I'm running this on a 5+ year old Asus laptop, with a 970M and a 2.00 GHz I7. At medium settings the game runs beautiful, so specs-wise there should be no issue. Perhaps the cooling isn't as great and the fact that your entire system crashes does indicate a problem not related to the game (at 60 hours game time I have yet to encounter a single crash as well).