Windows
OS: Windows 7, Windows XP or Windows Vista HDD:1.6 GBhttp://gamesystemrequirements.com/Windows 7, Windows XP or Windows Vista DX: DirectX® 9.0c CPU: Core2 Duo 1.88Ghz or faster RAM: 2 GB RAM Sound: Any DirectX compatible card Network: Internet or LAN connection is required to play Breach GPU: Nvidia 8600 or better, GT240 or better or ATI HD 2600 or higher