For creating an Avira Antivirus Account, you should first open Avira Free Security. Now, you should click Register in the upper right corner. Afterward, you will be redirected to the registration page. Next, click Register. Finally, you should enter your name and email address, create a password, and then click Register. Now, you should go to your inbox and confirm your email address.https://threatprotections.com/office-com-setup/