How to Quickly Hide the Dock on a Mac

Step-by-Step Guide

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   Step 1: Click on the Apple icon.

   It's the Apple logo at the far-left side of the menu bar at the top of your screen.
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   Step 2: Click System Preferences.

   , If you can't see the main menu, click the three rows of dots at the top left corner of the window, which displays as Show All in earlier versions of Mac OS X. ,, One dock option, "Turn Dock Hiding On/Off," will appear on the right side of the window.
   
   The default keyboard shortcut is ⌥ Option+⌘ Command+D. , ,, You'll want to start the shortcut with a modifier key such as the ⌘ Command, ⌥ Option, Fn, Control, ⇬ Caps Lock, or ⇧ Shift keys.If you're using an "F" function key, you will have to hold down the Fn key to type your command.
   
   Make sure your new shortcut is unique, meaning that no other shortcuts have been assigned to the key combination you enter. , Your custom shortcut for dock hiding will be saved, and you can activate the shortcut anytime by pressing your custom key combination.
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   Step 3: Click the "Keyboard" icon.

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   Step 4: Click Shortcuts.

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   Step 5: Click "Launchpad & Dock" from the menu on the left.

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   Step 6: Click the box next to "Turn Dock Hiding On/Off."

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   Step 7: Click on the shortcut combination on the right to edit it.

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   Step 8: Type in your custom shortcut.

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   Step 9: Click the red "X" button.

Detailed Guide

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