Minimum requirements:

OS: 64-bit Windows 7 or 64-bit Windows 8 (8.1). DirectX 11 is necessary to run the game.
Processor: Intel CPU Core i5-2500K 3.3GHz, AMD CPU Phenom II X4 940. Finding a Gaming CPUs performance chart and comparing one's CPU with our minimum is suggested.
Graphics: Nvidia GPU GeForce GTX 660 or AMD GPU Radeon HD 7870. Please mind that we only officially support full-size desktop graphics cards. Finding a graphics card performance hierarchy chart online and comparing one's video card with our minimum is suggested.
RAM: 6GB
Disk space: 40 GB

Prostě a jednoduše, máš velice slabý HW, buď ráda, že ti to vůbec jede.