Hello @alex.Peregudov and a warm welcome. Which device are you trying to set up? Certain devices can only be set up with a compatible smartphone or tablet .
Laurie | Maryland
Sense 2, Luxe, Aria 2 | iOS | Mac OS
Take a look at the Fitbit help site for further assistance and information.
Best Answerany Smartwatch family from Fitbit.
My device is Ionic.
Fitbit Connect are too old and from this software for Mac OS no way to setup any new devices from Fitbit.