Change Screen Saver settings on Mac
On your Mac, use Screen Saver settings to hide the desktop when you’re away from your Mac or if you need extra privacy. Learn how to use a screen saver.
To change these settings, choose Apple menu 
in the sidebar. (You may need to scroll down.)
Open Screen Saver settings for me
Option | Description |
|---|---|
Current screen saver thumbnail | The screen saver currently used on your Mac. If you’ve created additional desktop spaces on your Mac, or you’ve connected more than one display, turn on “Show on all Spaces” to use the same screen saver on every desktop space and display. |
Preview | To show a full-screen preview, move the pointer over the thumbnail at the top of the window, then click Preview. To stop the preview, move the pointer. |
Lock Screen Settings | Change how long your Mac can be inactive before the screen saver starts. The Lock Screen Settings button appears only when you set up your display to sleep before the screen saver starts. |
macOS | Choose a slow-motion image as your screen saver. |
Landscape, Cityscape, Underwater, and Earth aerials | Choose a slow-motion aerial as your screen saver. Turn on “Show as wallpaper” to use a still aerial image as your wallpaper. If |
Shuffle Aerials | Choose to rotate through several slow-motion aerials as your screen saver. From the pop-up menu next to Shuffle at the top of the window, choose how often you want to rotate through the aerials. Turn on “Show as wallpaper” to use a still aerial as your desktop image. |
Other | Click Photos or one of the screen savers. Click Options at the top of the window to set color, speed, and more, based on the screen saver you select. Click Random to shuffle through the screen savers. |
appears next to an aerial name, you need to click the image to download and use it.To start or stop the screen saver when you move the pointer to a screen corner, choose Apple menu 
in the sidebar, then click Hot Corners. (You may need to scroll down.) See Use hot corners on Mac.