Operating System: Microsoft ® Windows ® XP, Microsoft ® Windows Vista ® Processor: Intel ® Pentium ® 4 2.4 Ghz RAM: 1024 MB / Windows ® XP, 1536 MB / Windows Vista ®, 2048 MB Windows Vista ® 64 Graphics Card: NVIDIA ® GeForce ® 6800 GT / 256 MB RAM HD 7 GB