Knowledgebase: Respondus 4.0 > Getting Started
Can I legally install Respondus 4.0 on both my work and home computer?
Posted by Respondus Support

If you previously purchased a single-user license of Respondus and would like to obtain a second activation password, it may be possible if you meet the necessary requirements.

For more details, see: http://www.respondus.com/register/2ndcopy.shtml