Select the time in the bottom right corner to open the System menu.
In the System menu, select the Settings button .
In the Settings window, scroll down to the Device section and select Mouse and touchpad.
On the Mouse and touchpad screen, select the drop-down menu for Swap primary mouse button.
Select Right button from the list.
Note: If this does not work it could be because someone else manages your computer settings (an IT department or administrator). If this is the case, you will need to contact them to access these settings or for further help.