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.