Avast Ultimate 1D 1Y (Windows only) — installation

Go https://help.avast.com/en/install/ download and install app then run it.

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)