OS: Windows Vista/7/8/8.1 64 bit (32 bit NOT supported !) Processor: 2.5 GHz Intel Core 2 Quad Q8300 or equivalent RAM: 4 GB Hard Drive: 3 GB available space Video Card: 1 GB nVidia Geforce GT460, 500 MB ATI HD4850 or equivalent Network: Broadband Internet connection DirectX: Version 9.0c