Use your mouse left-handed
You can swap the behavior of the left and right buttons on your mouse or touchpad to make it more comfortable for left-handed use.
Fare clic sull'icona a destra nella barra dei menù e selezionare Impostazioni di sistema.
Click Mouse and Touchpad.
Select Left-handed.
This setting will affect both your mouse and touchpad, as well as any other pointing device.