Step 2. After clicking on the image, leaving them a sign saying another gray "Alter prüfen" Click and give them an image will appear type identity card, which shall be completed with the data (left picture to copy data numbers verbatim):
Here complete data:
This is information that should be copied verbatim, ie numbers.
Step 3. If you did everything right, you have to show you this picture, which must place their mail (I use gmail and I get to touch) to send them their Key, click on ABDESEN and voila, your key will be sent to your Mail ..