Avira offers a 30-day, fully functional trial of Avira Pro. No credit card is required for the first month (depending on region). Use this to test the premium features.
: If you get a new computer, you can transfer your valid license. Log in to your Avira Account , remove the license from your old device, then use the button under Subscriptions on your new machine to automatically transfer it. Managing Renewals Avira Antivirus Pro License Key