After subscribing to the demo service, you will get access to a new site where you can add your plugin and prepare the site with eye-catching graphics and content to make it more attractive to visitors.
Then the visitors can test the plugin in real-time, providing valuable feedback to you, and making a purchase decision. Allowing visitors to test your plugins in real-time will improve the user experience and make them more comfortable before purchasing your plugins. This will increase faith and trust among the users. You’ll also get feedback from your users and make your plugin more user-friendly.
If you already subscribed to a demo service and want to test a demo version of a particular plugin, you can follow this document. For further information. You can ask any questions regarding the demo service here.