First log in to noez.de. To participate in the affiliate program you need a free noez.de account. You do not need an active product.
After you have logged in, visit the page https://noez.de/affiliates.php.
Then click on "Activate affiliate account".
After that you will find your individual affiliate link on the overview.
As soon as someone orders something through your affiliate link, you will receive a one-time 50% commission.
You can find more information on noez.de/affiliate.
Materials to promote noez.de can be found on noez.de/downloads