Microsoft Windows:
https://www.der-rechner-stuttgart.de/download/support/TeamViewerQS.exe
Apple macOS:
https://www.der-rechner-stuttgart.de/download/support/TeamViewerQS.zip
Kerio Connect Outlook Client
https://www.der-rechner-stuttgart.de/download/kerio/kerio-connect-koff-10.0.7-8784-p1-win.exe