Windows
OS: Windows 7 Intel CPUs: Core 2.2 GHz to Quad Core 3.2GHz AMD CPUs: Dual Core 2.4Ghz to Quad Core 3.2Ghz RAM: 2GB to 8GB Hard Disk Space: 16GB Video Card: NVIDIA GeForce 8600 GT 512MB to NVIDIA GeForce GTX 580 1536MB or Radeon HD3000 512MB to Radeon HD 6850 1024MB Sound: 100% DirectX 9 Compatible Additional: Please refer to your hardware manufacturer and http://www.rockstargames.com/support for current compatibility information. Some system components such as integrated graphics cards may be incompatible. Unlisted specifications may not be supported by publisher. Additional: Initial activation requires internet connection and Rockstar Games Social Club (13+ to register); software installation required including GameShield IronWrap & Patcher; DirectX, and Microsoft's Windows .NET Framework, and Microsoft Visual C++ 2008 SP1 Redistributable Package (x86).