Windows OS: Windows XP SP3 or Windows Vista SP2 or Windows 7 CPU: Intel Pentium 4 2.4 GHz or equivalent (Vista requires 2.8 GHz) RAM: 1 GB (Vista requires 1.5 GB) Video Card: ATI Radeon 9500 Pro 128MB or greater, NVIDIA GeForce 6600 256MB or greater, Pixel shader 2.0 and above DirectX version: DirectX 9.0c (included) Sound Card: Yes Disk Space: 6.9 GB free hard disk space (13.8 GB free for EA Store users)