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.
開啟「概覽」並輸入「滑鼠與觸控板」。
點擊「滑鼠與觸控板」以開啟該面板。
In the General section, click to switch Primary button to Right.
This setting will affect both your mouse and touchpad, as well as any other pointing device.