OS: Windows Windows Vista (Service Pack 2)/7/8 Processor: Dual-core CPU with SSE3 (Intel® Pentium® D 3GHz / AMD Athlon™ 64 X2 4200) or better Memory: 2 GB RAM Graphics: Microsoft® DirectX® 10.0 compatible graphics card with 512 MB of memory (ATI Radeon™ HD 5870) or better DirectX: Version 11 Storage: 15 GB available space