If not installed already, install gnome-tweak-tool via the terminal (Menu | Utilities | Terminal):
- Code:
sudo apt-get install gnome-tweak-tool
(before doing so, run 'software updater' from Menu | System Settings | Administration - cancel the operation so you get to see the interface, click on 'Settings' button, go to first tab and ensure you get your updates from 'Main Server' - otherwise it might not find gnome-tweak tool.
Be aware when you use the 'sudo' command you are attempting to be an administrator and will require your logon password which you will not see in any shape or form (security built into Terminal).
Once you have the tool installed it will be named 'Tweak Tool' in Menu | System Settings | Preferences - open the Tool, select 'Extensions' on the left 'pane' then scroll down for 'Zorin Panel' and 'Zorin Menu' - and 'switch' them to 'On'.