Carolyn, Have a look @ this article (http://avgclick.me/ActivateZen).
AVG Guru
Purchased the AVG from the base. Unlimited Devices so far I have only been able to install on one computer. Please tell me I am doing wrong because the response is the already logged in with this email address. I have more than one computer and would like to install on 4 or 5. What is the problem?
Carolyn, Have a look @ this article (http://avgclick.me/ActivateZen).
AVG Guru