THEATRON requires the following basic requirements:

Pentium II, – 400 MHZ, 128 Mb RAM
Microsoft Internet Explorer 5.0 or later
Cortona plugin: http://www.parallelgraphics.com/products/cortona
Quicktime movieplayer: http://www.apple.com/quicktime/download
Screen resolution should be set to a minimum of 1024×768 pixels