Avira Antivirus Free lets you to upgrade to Avira Antivirus Pro via the user interface.
- Click the Avira icon in the system tray to open Avira.
- Click the button Upgrade in the top right-hand corner.
- You can upgrade to an Avira Prime subscription or simply to Avira Antivirus Pro.
- Go to the official Avira.com website and upgrade.
- Click Checkout to confirm your order and follow the payment steps to finish the upgrade process.