OS: Windows® XP SP 2 (32-64 bits) / Windows Vista® (32-64 bits) / Windows 7® (32-64 bits) CPU Dual Core 2.4GHz processor Memory: 2 GB RAM (2 GB on Windows Vista or Windows 7) Video Memory: Shader 4.0 compatible card (minimum: Nvidia GeForce 8xxx, AMD Radeon 2xxx) DirectX®: DirectX11 drivers (the game support DX10 hardware) HDD: 5 GB of free Hard Drive Space