In order for you to play Primal Carnage on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP, Vista, 7
Processor (CPU):
Intel Core 2 Duo 2.4 GHz or AMD Athlon X2 4800+
Memory (RAM):
3 GB RAM
Graphics Card:
ATI 3850HD 512 MB or NVIDIA GeForce 8800 GT 512MB
DirectX®:
9.0c
Hard Drive:
4 GB HD space
Other Requirements:
Broadband Internet connection