How to activate an Avast Ultimate key?

Activating Avast Ultimate key is really simple, just follow these steps: 

1. Download Avast Premier from the Avast website.
2. Run as administrator the downloaded file.
3. Once the Avast Wizard Setup is displayed: - Press on Install for setup with default options. - Select Custom installation to choose the location of program files. Pick the program components and languages afterwards
4. Once the setup is complete, you can activate your subscription by clicking I have already bought a subscription or proceed with the 30-day trial mode.
5. When your network is detected, choose the firewall mode of your preference: - Select Private if your computer is connected to a home or private network. - Select Public if connected to a public or shared network.
6. That's it!

Alternatively, feel free to check the official activation guide for Avast Ultimate. 

The key is not working 

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions:

• My key is Duplicated / Already used
• My key is Invalid
• My key is region locked / can't be activated in my country
• My key activated a different product
• My key did not activate all of the content