How to Right-Click on the iMac
- 1). Connect a multibutton USB mouse to the iMac. The following steps do not work with a single-button mouse.
- 2). Click the "System Preferences" icon in the dock.
- 3). Click "Keyboard & Mouse."
- 4). Click "Mouse."
- 5). Click the drop-down list on the right side of the window, then click "Secondary Click."