WindowsOS: Windows Vista (SP2), Windows 7 (SP1) or Windows 8 (Please note that we only support 64 bit OSs.)Processor: Intel Core 2 Quad Q8400 @ 2.66Ghz or AMD Phenom II X4 940 @ 3.0GhzMemory: 6 GB RAMGraphics: DirectX 11 graphics card with 1 GB Video RAM - Nvidia Geforce GTX 460 or AMD Radeon HD 5770DirectX: Version 11Hard Drive: 25 GB available spaceSound Card: DirectX 9.0c Compatible Sound Card with Latest DriversAdditional Notes: Broadband connection and service required for multiplayer mode. Supported Video Cards at Time of Release: nVidia GeForce GTX460 or better, GT500, GT600, GT700 series; AMD Radeon HD5850 or better, HD6000, HD7000, R7 and R9 series Intel® Iris™ Pro HD 5200