Windows XP SP2: 1.7 Ghz Intel CPU or AMD XP 2100+ (or faster, they had to put that?) 512 MB RAM 2.1 GB hard drive space 128 MB video card, NVIDIA GeForce FX 5900 or better, ATI Radeon 9600 or better, no onboard chipsets supported 4x DVD drive DirectX 9.0c Windows Vista: 2.4 Ghz processor or equivalent 1 GB RAM 2.1 GB hard drive space 128 MB video card, NVIDIA GeForce 6800 or better, ATI Radeon x600 or better, no onboard chipsets supported 4x DVD drive DirectX 9.0c