Every time you buy a WPDeveloper WordPress plugin, be it NotificationX or BetterDocs or Essential Addons, a WPDeveloper account will be created for your automatically. However, you can always manually create your Account on WPDeveloper.
Want to learn how to Reset your existing Password on WPDeveloper? Here is a quick Doc on How to Reset Password.
Even if you haven't visited our website before, but are using one of our WordPress plugins or themes, for example, NotificationX or BetterDocs, after you purchased their PRO plan an account was automatically created for you on WPDeveloper Website. Use this URL to land on your Account Page. https://wpdeveloper.net/account/
Here is a quick Doc on how to seek Support from the WPDeveloper Team.