Install gnome-user-guide by entering the following commands in the terminal:
sudo apt update sudo apt install gnome-user-guide
Description:
GNOME user's guide - dummy transitional package
Documentation for using the GNOME desktop environment and its components. . This package is here just to allow the transition to gnome-user-docs; it can be safely removed once installed.
Homepage: https://help.gnome.org/users/
Version: 3.28.1-0ubuntu1
Section: gnome