To be able to receive Pagelines updates you have to setup your account credentials.
From your PageLines Settings:
After you have setup your Pagelines account:
It is always best practice to check out all your Pagelines Products to see if an upgrade is available when you first login to your website.
Upgrading products is fast and easy. Upgrading will help you maintain a fully working site.
When you login to your website, if there is a new theme update you will see:
When you are on the Updates page: