Go to https://cat.eduroam.org.
Click on the blue button in the middle of the website.
Enter “Eberswalde” in the search field on the left and then select the university.
On the next page you can select your operating system, the page will automatically try to suggest the correct system. By clicking on the corresponding button you can download the program.
After downloading, a dialog opens automatically. Confirm the next two questions with "Continue".
Enter your username and password here. The user name is made up of the account name (e.g. abc123) and the realm of the university @hnee.de (e.g. abc123@hnee.de)
To complete the installation, you must enter your Mac OS user's password.
Eduroam should now connect.