Minimum system configuration CPU: Intel® Core2Duo® E4400 or AMD® Athlon™ 64 X2 4000+ or higher Operating System: Windows® XP (with Service Pack 3) or Windows Vista® (with Service Pack 2) RAM: 1 GB (XP) / 2 GB (Vista) DVD-ROM: DVD-ROM speed 4x, dual-layer drive Minimum Drive Space: 10 GB Video Card: 256 MB DirectX® 9.0c-compliant video card (ATI® Radeon HD2600/GeForce® 8800 or better) Sound Card: DirectX 9.0c-compliant sound card DirectX Version: DirectX 9.0c (included on disc) Recommended system configuration CPU: Intel® Core2Duo® E6850 or AMD® Athlon™ 64 X2 5600+ or higher Operating System: Windows® XP (with Service Pack 3) or Windows Vista® (with Service Pack 2) or Windows® 7 RAM: 2 GB (XP / Vista / Win7) DVD-ROM: DVD-ROM speed 4x, dual-layer drive Recommended Drive Space: 15 GB Video Card: 512 MB DirectX® 9.0c-compliant video card (ATI® Radeon HD3000 series / GeForce® 9 Series or better) Sound Card: DirectX® 9.0c-compliant sound card DirectX Version: DirectX 9.0c (included on disc)