Does it also work with Windows 10?
Yes, the application works on Windows 10. I've installed it, and there were no errors preventing me from using it. Download it using the link posted below. When installing, make sure to right-click the installation package. Choose Run as Administrator and follow the installation instructions, and everything will be OK.
Download package: http://www.produktinfo.conrad.com/datenblaetter/175000-199999/199285-up-01-ml-GSM_FernschaltMessAlarmSys_GX110_de_en.zip