1. First you need to Log in to your Plesk control panel.
2. Click on 'Subscriptions' -> (domain name).
4. Click on 'Show Advanced Settings'.
5. Click on 'Websites Scripting & Security'.
6. Change the 'Web Statistics' to AWStats, and click 'OK'.
7. Traffic will now start to be tracked, and you view the results under 'Web Statistics' under the 'Websites and Domains' Tab from step 3.