Tu as un bon PC donc normalement ça devrait tourné sans trop de problème !
Voici ce que dis Steam sur les configuration requise
MINIMUM:
OS: Windows Vista/Windows 7
Processor: Intel Core2 Duo @ 2.0GHz (or equivalent)
Memory: 2 GB RAM
Graphics: NVIDIA GeForce GTS 240 (or equivalent)
Hard Drive: 25 GB available space
RECOMMENDED:
OS: Windows 7
Processor: Intel Core2 Duo @ 2.8GHz (or equivalent)
Memory: 3 GB RAM
Graphics: NVIDIA GeForce GTX 280 (or equivalent)
Hard Drive: 25 GB available space