If prompted, enter your Comodo Accounts Manager (CAM) details to link the license to your account.
While Comodo Internet Security is a premium product, you can get a free trial or subscription to test the software. Here are some ways to get a free Comodo Internet Security license key: comodo internet security license key link
Comodo Internet Security (CIS) is a multi-layered security application that integrates an antivirus, a personal firewall, and a "containment" system to isolate unknown files. To access the full suite of features—particularly the premium technical support and Virus-Free Guarantee associated with the "Complete" or "Pro" editions—you must activate the software using a valid license key. Licensing Overview If prompted, enter your Comodo Accounts Manager (CAM)