To utilize all the advanced features of Avira Antivirus, activate your Avira Antivirus Pro you would require a unique Avira Activation Code. Then when you got your license key you would need to create an account at https://my.avira.com
Using the above link, go to THIS PAGE located at Avira’s official website.
On the given empty field provided, enter the activation code which you got from Avira and your email address.
Now click on the Activate option.
Then you will procure an email from Avira comprising more input and also the download link to your software.