OS: Windows Vista/7/8 (64-bit) Processor: 2.5 Ghz Intel® Core™2 Duo Processor or AMD equivalent RAM: 6 GB Hard Drive: 10 GB available space Video Card: NVIDIA GeForce GTX 500 series 1GB video card or AMD equivalent DirectX: Version 11 Conglomerate 451 PC Game Free Download Full Version - 55Conglomerate 451 PC Game Free Download Full Version - 52Conglomerate 451 PC Game Free Download Full Version - 81Conglomerate 451 PC Game Free Download Full Version - 74