Pagelayer Pro is now available with Softaculous. If you see the below notice in your WordPress admin panel you can download the Pagelayer Pro plugin zip file and upgrade to Pro.
Go to WordPress dashboard and click on Download link to download the plugin.
Install Pagelayer Pro in WordPress
Now go to WordPress Dashboard > Plugins > Add New
Click on Upload Plugin and select your downloaded zip file and click Install Now button. Following is a screenshot of the upload plugin wizard in WordPress.