By default, some Mac devices don’t have right-click enabled. Follow these steps to activate it for mouse and trackpad.
Enable Right-Click Using a Trackpad on Mac
Open System Preferences (Apple menu > System Preferences).
Click Trackpad
Find the Secondary Click option.
Select “Click with Two Fingers” to enable right-click.
Enable Right-Click Using a Mouse on Mac
Open System Preferences (Apple menu > System Preferences).
Click Mouse.
Find the Secondary Click option.
Select “Click right side” to enable right-click.
Now, you can right-click by pressing the right side of your mouse to open the context menu.