For modern protection, Avast Premium Security now includes advanced features like a , Sensitive Data Shield , and a more robust Advanced Firewall that were not all present in the 2018 Pro version. Are you trying to reinstall an old license, or

To check your entire PC, go to the "Protection" or "Devices" tab and select Full System Antivirus Scan .

To activate your product, click the Menu button in the app and select My Subscriptions or the Activate button to enter your code.