Windows
OS: Windows® XP/Vista (only) Processor: 2 GHz Pentium 4 or AMD Athlon or better (2.8 GHz Pentium IV or AMD Athlon or better recommended) Memory: 1024 MB Graphics: 128 MB DirectX 9.0c w/ shader 2.0 compliance (256 MB recommended) Sound: DirectX 9-compliant sound card DirectX: DirectX 9.0c or higher Hard Drive: 5 GB free space Peripherals supported: Windows-compatible keyboard and mouse Multiplayer: 128 kbps Broadband Internet connection or faster (512 Kbps upload rate for a server on a full game)