Here are Grand Theft Auto V requirements for PC.
MINIMUM:
OS: Windows 8.1 a 64 Bit, Windows 8 a 64 Bit, Windows 7 a 64 Bit Service Pack 1, Windows Vista a 64 Bit Service Pack 2* (*Scheda video NVIDIA consigliata per Windows Vista)
Processor: Intel Core 2 Quad CPU Q6600 @ 2,40GHz (4 CPU)/AMD Phenom 9850 Quad-Core (4 CPU) @ 2,5GHz
Memory: 4 GB RAM
Graphics: NVIDIA 9800 GT 1GB/AMD HD 4870 1GB (DX 10, 10.1, 11)
Hard Drive: 65 GB available space
Sound Card: 100% compatibile con DirectX 10
RECOMMENDED:
OS: Windows 8.1 a 64 Bit, Windows 8 a 64 Bit, Windows 7 a 64 Bit Service Pack 1
Processor: Intel Core i5 3470 @ 3,2GHZ (4 CPU)/AMD X8 FX-8350 @ 4GHZ (8 CPU)
Memory: 8 GB RAM
Graphics: NVIDIA GTX 660 2GB/AMD HD7870 2GB
Hard Drive: 65 GB available space
Sound Card: 100% compatibile con DirectX 10
Additional Notes: Over time downloadable content and programming changes will change the system requirements for this game. Please refer to your hardware manufacturer and www.rockstargames.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 PC LOG-IN ALLOWED PER SOCIAL CLUB ACCOUNT AT ANY TIME; SERIAL CODE(S) ARE NON-TRANSFERABLE ONCE USED; SOCIAL CLUB ACCOUNTS ARE NON-TRANSFERABLE. Partner Requirements: Please check the terms of service of this site before purchasing this software.
