OS: Windows 7/8/10 (64 bit) Processor: 2.4 Ghz RAM: 4 GB Hard Drive: 1 GB available space Video Card: 512MB Video Ram. DirectX: Version 10 Ratropolis PC Game Free Download Full Version - 93Ratropolis PC Game Free Download Full Version - 87Ratropolis PC Game Free Download Full Version - 3Ratropolis PC Game Free Download Full Version - 32