Hide the Dock
If you would like more room on the Mac screen to display your applications, you can hide the Dock to free up some screen space. When you are working in an application, you might find that you need to maximize the amount of vertical space the application window takes up on-screen. This might come up, for example, when you are reading or editing a long document or viewing a large photo. In such cases, you can size the window to maximum height, but your Mac will not let you go past the Dock. You can work around this by hiding the Dock. When the Dock is hidden, you can still easily access it whenever you need to use it.
Hide the Dock
Turn On Dock Hiding
Click .
Click Dock.
Click Turn Hiding On.
A You can also right-click the Dock ...
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