1. Visit https://www.avg.com/code
2. Enter your activation code
3. Create or login to your AVG MyAccount
4. Click "Register & Activate" to create a new account or click "Login & Activate" if you already have an existing AVG account.
WARNING: You must activate this product using the AVG registration page method above because inserting a license key directly in the AVG Ultimate product will NOT WORK! You must register this product with AVG first and then install this product (for Windows, Mac, or Android) from within your AVG MyAccount once registered with AVG.