GTA IV PC Requirment

Minimum system requirements:
> Operating system: Windows Vista - Service Pack 1 / XP - Service Pack 3
> Processor: Intel Core 2 Duo 1.8 Ghz, AMD Athlon X2 64 2.4 Ghz
> RAM: 1.5 GB Vista / 1 GB XP
> Hard disk space: 16 GB
> Video: 256 MB Nvidia 7900 / 256 MB ATI X1900
> Audio device: compatible with DirectX ® 9.0c

Recommended system requirements:
> Operating system: Windows Vista - Service Pack 1 / XP - Service Pack 3
> Processor: Intel Core 2 Quad 2.4 Ghz, AMD Phenom X3 2.1 Ghz
> RAM: 2.5 GB RAM Vista / 2 GB XP
> Hard disk space: 18 GB
> Video: GeForce 8600 512 MB, Radeon 3870 512 MB
> Audio device: compatible with DirectX ® 9.0c