Minimum: OS: Windows 7(64bit) Processor: Core2Duo 2.66 GHz Memory: 4 GB RAM Graphics: DirectX 10.x or OpenGL 3.3 or better graphics card with 1 GB RAM and support for v4 shaders DirectX: Version 10 Storage: 7 GB available space Sound Card: DirectX 9.0c compatible sound card Additional Notes: Caution: ATI Mobility Radeon HD 5xxx, 1GB VRAM 5000 series may not work properly with this game.