Supported OS: Windows® XP Service Pack 2 or Windows Vista™ Processor: 2.4 GHz Intel® Pentium® or greater or AMD® Athlon® equivalent CPU Memory: 1 GB RAM (XP,) 2 GB RAM (Vista™) Graphics: 100% DirectX 9.0c compatible hardware accelerated video card with shader version 2.0 support, 256 MB video memory Display: Minimum screen resolution of 1280 x 1024 pixels Sound: Directx9.0c compatible sound card Hard Drive: 15 GB free hard disk space formatted as NTFS Peripherals: Windows compatible mouse and keyboard