The first thing you need to do is click on "My account" in the top right-hand corner.
Here you can log in with your e-mail address and a password of your choice.
Where can I change my customer data?
After you have logged in, click on "My account" again. This will open a new page that offers you all the options for making changes.
Where can I view my last order?
Click on "My account" again and then on "My orders", you will find all your orders.
Translated with www.DeepL.com/Translator (free version)