OS: Windows 7 / 8 / 10 (64 bit) Processor: Intel Core i5-760 / AMD Phenom II X4 965 Memory: 6 GB RAM Graphics: NVidia GTX 580 / AMD Radeon HD 7870 Storage: 3 GB available space 1971 Project Helios PC Game Free Download Full Version - 21971 Project Helios PC Game Free Download Full Version - 71971 Project Helios PC Game Free Download Full Version - 671971 Project Helios PC Game Free Download Full Version - 56