To be able to receive Pagelines updates you have to setup your account credentials.
Setting Up Your Account
Your Account
From your PageLines Settings:
Click on the "Account" link
Click on the "Your Account" tab
Enter your PageLines username and password
Click on "Submit Credentials"
Updating Products
Your Account
After you have setup your PageLines account:
When a product update is available in the PageLines Store, the product will show a blue "Upgrade" button. Click the blue button to automatically upgrade the PageLines product.
After upgrading, the blue "Upgrade" button is no longer visible. The product update was successful.