For your own safety: Make sure you have purchased a valid license and downloaded or received the script file from the authorized fastspring.com platform or bizzworxx.de.
If you haven’t, yet, please consider purchasing an official license. It has been a lot of research, coding and testing that library. We are selling it at a low price. Continuity of development depends on paying customers.
Step 1: Copy file into hooks-directory
Copy the purchased and downloaded script file into the
hooks-directory of your website.
Step 2: Include script
Include the script by changing
// insert the following script-tag into hooks/header-extras.php <script src="hooks/AppGiniHelper.mine.js"></script>