If you are using free version, you don’t need to activate license. If you are using Pro version, follow the steps below :
Go to your WPDeveloper Account. From the ‘My Account’ tab, you can see NotificationX plugin which you have purchased. Simply just ‘Copy’ the License Key from there.
Now, Switch back to your WordPress Website. Then, navigate to wp-admin -> NotificationX -> Settings. From the ‘License’ tab, paste your license key and click on ‘Activate License‘ button.
After you have successfully Activated your License Key, this how the ‘License’ tab is going to look like:
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