Step 1: create VPN configuration
Go to https://www.rhrk.uni-kl.de/vpnwg/ and log in with your RHRZ account (without @ rhrk.uni-kl.de).
You will now get to the profile overview.
In the drop-down menu on the left, choose whether you want to create a profile for a split tunnel or a full tunnel. For more information on the advantages and disadvantages of the selection, see Available tunnel types. Enter a suitable name for the profile in the field below and then click on create.
Step 2: Install vpn client
Go to https://www.wireguard.com/install/ and click Download from App Store in the section macOS.
You can see the status of your connection both in the client (status active) and via the shortcut for Wireguard.
Note: You can use this shortcut to start and end the connection quickly and easily. The connection is started with a click on the profile name and terminated with another click. If the profile name is black, there is a connection. If the profile name is gray, there is no connection.