The first two steps assume MacOS is already running.

  • Click the Apple logo in the top left of the Menu Bar.
  • Select Restart… from the drop-down menu.
  • When the restart process begins, press and hold the Option key until you see Boot Options. (On PC keybaord “Alt key”)
  • As soon as the Boot Options appear, press and hold CMD + R on your Keyboard. (On PC keybaord “Ctrl + R”)
  • Make sure that the bootable USB drive is plugged in
  • Select the appropriate drive