Windows</br>OS: Windows 7 SP1, Windows 8/8.1 (64bit)</br>Processor: Intel Core2 Quad Q9300 @ 2.5 GHz or AMD Athlon II X4 620 @ 2.6 GHz (or better)</br>RAM: 4GB</br>Video card: NVIDIA GeForce GTX260 or AMD Radeon HD4870 (512MB VRAM with Shader Model 4.0 or higher)</br>DirectX: DirectX June 2010 Redistributable</br>Sound: DirectX Compatible Sound Card with latest drivers</br>Peripherals: Keyboard required, XBOX 360 controller optional (or compatible controller)</br>