Single License
Buy your personal license for Archimedes Geo3D here. You may use this license on more than one computer, for instance at home and at work. The license is vaild for all operating systems Archimedes supports.
Site License
Archimedes Geo3D offers a very simple license model The site license for schools and universities allows the program to be used on all computers at the school and on all private computers of teachers and pupils of that school. Buy your site-license here.