OS: Windows® XP SP 2 (32-64 bits) / Windows Vista® (32-64 bits) / Windows 7® (32-64 bits) [[Windows up to date and latest service pack installed]] CPU Dual-core CPU with SSE3 (Intel® Pentium® D 3GHz / AMD Athlon™ 64 X2 4200) or better Memory: 2 GB RAM (2 GB on Windows Vista or Windows 7) Video Memory: Microsoft® DirectX® 10.0 compatible graphics card with 256 MB of memory (NVIDIA® GeForce® 8800 series / ATI Radeon™ HD 3870) or better HDD: 10 GB of free Hard Drive Space