Plugin updates are fully integrated into WordPress. This means that all updates are directly visible on your WordPress updates screen and work just like any other update.
Click on the “View version 1.2.3 details” link to see a list of all changes and hit the “update now” button to download and install the update automatically.
Please ensure that you have entered your license key and check if the green “Active License” label is displayed in the plugin description.
You can enter your license code on the Divi Areas > Settings page. For more details, see the article How to install Divi Areas Pro?
Divi Areas Settings
When you purchased your plugin on divimode.com, you can check for updates via the Divi Areas > Settings page inside the Updates tab.
This option is not available when you purchased the plugin on the Divi Marketplace