Minimal Requirements: CPU: Intel Pentium 4 or equivalent CPU Speed: 1.3 GHz RAM: 256 Megabytes of RAM for Windows 2000 and Windows XP (512 MB for Windows Vista) OS: Windows 2000, Windows XP, or Windows Vista Video Card: DirectX 9.0c Compatible 3D accelerated 64 MB video card or equivalent (NVIDIA GeForce3+ / ATI Radeon 9000+ / Intel 915+) Sound Card: Yes Free Disk Space: 5.2 GB free hard disk space (additional space required for DirectX 9.0c installation and for saved games)