Avast Antivirus Code Activation
From the home screen, click on the cogwheel in the top right corner of the screen
Next, select "Registration" on the left side of the settings menu
Click "Insert activation code" in the middle of the screen
Enter your code and click "Next"
Enter your name, email address, city and county and click "Activate"
Your code should now be activated (Note that a computer restart may be required for the program to recognize the new license)