Recommended system specifications. OS: Windows Vista SP2 / 7 SP1 / 8 / 8.1 CPU: Intel Core 2 Duo @ 1.8 GHz(AMD Athlon Ⅱ X2 240 or equivalent processor) (Intel Core i3 530 AMD Phenom Ⅱ X4 925 or equivalent processor) RAM: 1 GB(2 GB) VGA: nVidia GeForce 7800 / ATI Radeon X1300 / Intel HD Graphics 2000 or better (nVidia GeForce 7950 / ATI Radeon HD 2400 / Intel HD Graphics 3000 or better) Video RAM: 512 MB(1024 MB) DirectX: 9.0c HDD: 8 GB free hard disk space Sound Card: DirectX 9.0c Compatible Sound card Resolution: 800 x 600 monitor resolution(1280 x 720 monitor resolution) ODD: 4x DVD-ROM Drive(8x DVD-ROM Drive) Network: TCP/IP 512 kbps or higher(TCP/IP 1.5 Mbps or higher)..