If you cancel your subscription early, you can continue to use your Avira product until your license automatically expires at the end of your current billing period — even if you're on a free trial.
You will not be charged again unless you activate your subscription.
To verify when your license will expire, Log In to your Avira account and click
Subscriptions → See details → EXPIRY DATE.
Note
If you are considering a refund, please follow the instructions provided in this article.