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if it freezes, look for the problem – 90% of the time it's in the hardware, and 10% is in your settings. It also freezes in other high-load games, like BF3 or Starcraft 2. If the game is installed on a laptop, this is possible because most users have laptops that cost less than $1000, and I can say that they are all weak in terms of hardware and not designed for top-tier 3D games and games from recent years.