Please write your current authentication key in the empty field. Norman will control the key and the appropriate products will be added to the shopping cart for upgrade.

You may also add additional products.

If you need to retrieve your authentication key, open Norman Security Suite from the Start menu, or by right clicking the Norman icon (green N) down by the clock and selecting Norman Security Suite.
Choose "Install and Update" in the left menu, and click on "License Wizard". Here you will find your authentication key.