This article describes how to Find the 'edit presence builder' button on the hosting control panel.
Firstly, login to your Client Area
Select Products then click View next to the account you wish to amend.
Now click the Manage / Login To Plesk button.
Next click on the Set View button on the top right of the page. Select 'active list'.
You will now see the 'edit presence builder' button listed underneath your website in the 'Websites and domains' tab.
Note: If you can't find an answer to your problem click Here to open a support ticket (requires log in).