Black ops 2 keeps crashing. PLEASE HELP

IShotLightning

Reputable
Feb 6, 2016
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4,630
I'm trying to play the story to get the achievements for steam but I keep crashing I don't know why. I'm on the second mission my CPU temps while playing the game are 50% ram 50% if that's important. Even in multiplayer it crashes. Here are my Specs.
OS Windows 10 Every thing up to date.
Hard Drive 1 TB (don't know the brand)
Graphics Card GTX 650 1 GB
Ram 8 GB Corsair Brand 665.4 MHz 1 stick By the way.
Processor Intel Core i5 3330 3.0 GHz
Power supply 450 watt some kenteck brand or something like that cheap one.
So I brought a Dell inspirion 660 and upgraded it.
I have windows 10 should I downgrade to windows 7?