Once PageLines Platform plugin has been installed, a notification can be found at the top of your WordPress Admin Dashboard.
The notification informs you that your Platform installation hasn't been connected to your PageLines account.
To connect your account, click the "Connect Account" link in the notification.
Alternatively, from your WP Admin Dashboard, navigate to "PageLines → Account" submenu.
Upon connecting your account, you will be taken to PageLines.com where you need to enter your PageLines account credentials.
Once, logged in you will be redirected back to your site WordPress Admin Dashboard with your account now connected to the Platform plugin.
Your account page will display information related to your account, the license you have purchased and how many installations you have available.
Note: The image above is for documentation purposes only and your license details may differ.