Minimum: Supported OS: Windows 2000/XP/XP-x64/Vista Processor: Pentium IV 1.6GHz / AthlonXP 1600+ Graphics: 3D accelerator 16 MB DirectX 9.0c compatible graphics card DirectX Version: DirectX 9.0c or better Memory: 256 MB (512 MB with Vista) Sound: 16 bit DirectX compatible sound card Hard Drive: 1.5 GB free disk space