For an introduction to the site, you might want to follow the tour, which will take you to principal viewpoints in the scene. You can do this by clicking on the pointing hand to advance to the next stop. By selecting any of these objects, you can invoke different pages in this document containing information on the history of the Aztecs, the archaeological data, a map, and the bibliographic and reference material. The headdress icon invokes pages that chronicle the meeting between Moctezuma and Cortes from Moctezuma's viewpoint. Cortes' and the conquistadors comments are found on the pages invoked by clicking on the helmet icon.
Sound files are in the .WAV format, and the textures are in the .gif format.
It is subdivided into three smaller subworlds that can be downloaded one at a time, but the overall content will be the same. 32 MB of memory is recommended for PC viewing, as well as having colors set to 16 bit or better. Set your monitor to 800x600 for a reasonable resolution. These things will be fixed soon. The proto error will bring up an error dialogue after the second section is downloaded, but just click it and go on.