Official Minimum System requirements
- CPU: Intel Pentium 4 2.8 GHz (3.2 GHz for Vista), Intel Core 2.0 GHz (2.2 GHz for Vista), AMD Athlon 2800+ (3200+ for Vista) or better
- RAM: 1GB (1.5GB on Windows Vista
- VRAM: 256MB of Graphics Memory
- Video Card: NVIDIA GeForce 6800 GT, ATI Radeon 9800 Pro (Radeon X800 Pro for Vista) or better
- Storage: 12 GB HDisk Space
- Sound Card: DirectX 9.0c Compatible
- DVD-ROM Drive
- OS: Microsoft Windows XP or Vista
- DirectX: DX9.0c or DX10
Recommended system Requirements
- CPU: Core 2 Duo/Athlon X2 or better
- RAM: 1.5GB
- VRAM: 512MB of Graphics Memory
- Video Card: NVIDIA 7800 Series, ATI Radeon 1800 Series or better
- Storage: 12GB
- Sound Card: DirectX 9.0c Compatible
- DVD-ROM Drive
- OS: Microsoft Windows XP or Vista
- DirectX: DX9.0c or DX10



but it need high configure pc .
hmm crysis is nice game .:(