Connect Fitbit to Health Connect
Edited
In order to connect Fitbit to Health Connect, you must first have the Health Connect app downloaded to your phone.
To download the Health Connect app, see this article: https://help.trainwell.net/en/articles/508032
From Fitbit app:
Tap on the devices icon in the upper left corner
Under Add connections, select Set up Health Connect
Toggle on Allow All, then tap Allow