Minimum (or Recommended) OS: Windows® XP SP3/ Windows® Vista SP2/ Windows® 7 Processor: Dual Core processor with 2.0GHz or greater (Intel Core 2 Duo or AMD Athlon 64 X2) Memory: 2 GB RAM Hard Disk Space: 1.5 GB Video Card: Video Card with 512MB dedicated memory and DX9.0c support (Shader Model 3+) *Video cards with shared memory technology are not supported. DirectX®: DirectX® version 9.0c Sound: Windows compatible sound device Additional: Tower Wars online ranked and unranked multiplayer matches require a broadband internet connection.