In this video tutorial, viewers learn how to change a Mac book Pro's dock. To turn the magnification off the dock, go to the Apple menu, click on Dock and select Turn Magnification Off. Users can also turn the hiding on, to hide the dock when not in use. Users can position the dock to the left, right or center on the bottom of the screen. In the dock preferences, users can adjust the size of the dock. This video will benefit those viewers who use a Mac computer and would like to learn how to configure the settings of the dock.