System RequirementsREQUIRED: Internet connection required for product activationPC SYSTEM REQUIREMENTSOS: Windows XP (SP3), Windows Vista (SP2), Windows 7 (SP1), Windows 8, or Windows 8.1PROCESSOR: 1.8 GHz Intel Core 2 Duo, AMD Athlon 64 Dual-Core 4000+ or equivalent (For computers using built-in graphics chipsets, the game requires 2.0 GHz Intel Core 2 Duo, 2.0 GHz AMD Turion 64 X2 TL-62 or equivalent)MEMORY: At least 2 GB RAMHARD DRIVE: At least 9 GB of free space with at least 1 GB additional space for custom content and saved gamesVIDEO CARD: 128 MB of Video RAM and support for Pixel Shader 3.0. Supported Video Cards: NVIDIA GeForce 6600 or better, ATI Radeon X1300 or better, Intel GMA X4500 or betterSOUND CARD: DirectX 9.0c CompatibleDIRECTX: DirectX 9.0c compatibleINPUT: Keyboard and MouseRECOMMENDED SPECSOS: 64 Bit Windows 7, 8, or 8.1PROCESSOR: Intel core i5 or faster, AMD Athlon X4MEMORY: 4 GB RAMVIDEO CARD: NVIDIA GTX 650 or betterMAC SYSTEM REQUIREMENTSMINIMUM SPECIFICATIONOS: Mac OS® X 10.7.5 (Lion)PROCESSOR: Intel Core 2 Duo 2.4Ghz Processor or betterVIDEO CARD: NVIDIA GeForce 320M, 9600M, 9400M,ATI Radeon HD 2600 Pro or better. Video RAM of 256MB or better.MEMORY: 4GB RAMHARD DRIVE: 10 GB of Hard Drive spaceRECOMMENDED SPECIFICATIONOS: Mac OS® X 10.9 or laterPROCESSOR: Intel Core i5 or betterVIDEO CARD: NVIDIA GTX 650 or betterMEMORY: 8GB RAMHARD DRIVE: 10 GB of Hard Drive space