On macOS High Sierra, the installation of kernel extensions requires user approval. It is necessary to install a kernel extension for My Fabulous Storyteller to communicate with your computer.
This new authorization system has induced some changes in the Luniistore™ installation interface, now less intuitive. The short video below is a step-by-step guide on how to install the software on your Mac (it was recorded on the French version of macOS but the steps will be the same).