To use Eduroam you have to activate this service on the "Passwords & Services" site on the GFZ intranet web site and set a separate password for it.

Click the Wi-Fi icon in the control panel and select "eduroam".

You have to use your e-mail address as the username: Your-Login@gfz-potsdam.de.
The required password is your eduroam password.

Then click "OK" and "Continue" next.