Windows 10
In general it is strongly recommended to use a compatible wifi router. In that way several devices can be connected at the same time and the connection is less prone to interference.
Proceed as follows to set up the PPTP VPN connection under Windows 10:
Right-click the Network icon in the System Tray
Select Open Network and Sharing Center
Click on Setup a new connection or network
Select Connect to a workplace, then next
Select Use my Internet connection (VPN)
Enter vpn.stw-bonn.de as Internet address and e.g. StudNet as Destination name, then Create
Left-click the Network icon in the System Tray
First select VPN, then the new created connection and Connect
Enter User name and Password
The user name can be found in the registration e-mail, which you received after sign up on https://startup.stw-bonn.de. The password is the one you choose at registration.
Click OK to start the VPN connection