Linux Mint uses applets to add functionality to the taskbar.
To manage your applets, press the Super key, then pop in Applets and hit enter.
Press the Super key, then throw in Applets and hit enter.
In the default Manage tab, you’ve got the option to scroll through the currently installed applets.
The Manage tab allows you to manage the currently installed applets.
To find a new applet, switch to the Download tab.
Tip: The applets with a tick icon are already installed.
To add the applet to the bottom panel, poke the Add icon in the bottom-left corner.