To use OAuth, you need a freeAccount. You can register or login using the following link: Registration / Registration
Step 1: First, enter your email address.
The system will then check if an account exists for your email address.
A. For an existing account:
Step 2: Enter your password.
B. You do not have an account yet:
Step 2: Set your password.
Step 3: Verify your email address with the one-time password you will receive by email.
Only then will your account be activated.
If you cancel this process, you need to click on "reset password".
C. Guest account
It is also possible to create a guest account. However, the functions are limited and the settings made are only available for this session.