This article assumes that Avast Driver Updater is installed on your PC. For installation instructions, read to the following article: • Activate Avast Driver Updater If you purchased a registration key and installed Avast Driver Updater, follow these steps to activate your product: • Open your Avast Driver Updater order confirmation email. • Scroll down to the activation section of the email and copy your Avast Driver Updater activation code. • Double-click the Avast Driver Updater icon on your desktop to open the interface. • In the bottom right-hand corner of the interface, click Register Now. • Type or paste the registration key into the text box, then click Activate Now.