The new platform for SESATS XII (12) is coded with generic HTML5 tools and will run successfully on virtually any browser and any operating system. Unlike previous versions, an active internet connection is required, but computers, tablets and smartphones can access the material and provide adequate display of graphics. Microsoft Windows, Apple OSX and iOS, Android, Chrome and Linux platforms have all successfully rendered the content. The optimal resolution for display and interaction is 1024×768 or greater.