Minimum specifications: OS: Windows 8.1 64 Bit, Windows 8 64 Bit, Windows 7 64 Bit Service Pack 1, Windows Vista 64 Bit Service Pack 2* (*NVIDIA video card recommended if running Vista OS) Processor: Intel Core 2 Quad CPU Q6600 @ 2.40GHz (4 CPUs) / AMD Phenom 9850 Quad-Core Processor (4 CPUs) @ 2.5GHz Memory: 4GB Video Card: NVIDIA 9800 GT 1GB / AMD HD 4870 1GB (DX 10, 10.1, 11) Sound Card: 100% DirectX 10 compatible HDD Space: 65GB DVD Drive Recommended specifications: OS: Windows 8.1 64 Bit, Windows 8 64 Bit, Windows 7 64 Bit Service Pack 1 Processor: Intel Core i5 3470 @ 3.2GHZ (4 CPUs) / AMD X8 FX-8350 @ 4GHZ (8 CPUs) Memory: 8GB Video Card: NVIDIA GTX 660 2GB / AMD HD7870 2GB Sound Card: 100% DirectX 10 compatible HDD Space: 65GB DVD Drive Over time, downloadable content and programming changes will change the system requirements for this game. Please refer to your hardware manufacturer and www****ckstargames.com/support for current compatibility information. Some system components such as mobile chipsets, integrated, and AGP graphics cards may be incompatible. Unlisted specifications may not be supported by publisher. Other requirements: Installation and online play requires log-in to Rockstar Games Social Club (13+) network; internet connection required for activation, online play, and periodic entitlement verification; software installations required including Rockstar Games Social Club platform, DirectX, Chromium, and Microsoft Visual C++ 2008 sp1 Redistributable Package, and authentication software that recognizes certain hardware attributes for entitlement, digital rights management, system, and other support purposes. Single use serial code registration via internet required; registration is limited to one Rockstar Games Social Club Account (13+) per serial code; only one log-in allowed per Social Club account at any time; serial code(s) are non-transferable once used; Social Club accounts are non-transferrable.