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Mac OS X comes with a set of really awesome, HD screensavers. But, they can never be enough. You will want to download and install other exciting screen savers from the web – say for example, new movie screensavers or festival-themed screen savers.

Installing screensavers were easy (they're still easy) but the way you added them to your library has changed in Mac OS X Mavericks or Yosemite. The updates in software and GateKeeper security have made the procedure a little lengthier. And for a few people, complicated.

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How to Install New Screen Savers in Mac OS X

It is no longer a “double-click and install” procedure, especially for third party apps. If you try to do so, you will get an error message that the file cannot be opened, as it is from an unknown developer. However, do not be disheartened! Here are a couple of ways to install your favorite screen savers from the web on your Mac OS X.

Method 1: Here is How to Add Screen Saver via Right-Click on Mac OS X:

This method works for files having extension of, “.saver.” For the files having extension of “.qtz” extension, follow method #2.

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Step #1. Open “Finder” from your dock.

Step #2. In it, locate the screen saver you want to install. It will end with extension “some_name.saver” (some_name being the file name.) Right-click on the file and choose “open.”

Locate Screen Saver You Want to Install on Mac OS X

Step #3. A warning message will pop up, “some_name.saver is from an unidentified developer. Are you sure you want to open it?” Click “Open.”

Step #4. Your “System Preferences” will automatically start in your Screen Saver window. With it, you will get a dialogue box asking to install the selected screen saver for the current users or for all users on your Mac. Check the appropriate box and click on “Install.”

System Preferences Screen Saver Window on Mac OS X

Step #5. Now, activate the new screen saver from the list as usual.

Method 2: Here is How to Add Screensaver via Screen Saver Folder in Mac OS X:

This method works for the files having the extension of, “.qtz.”

Step #1. Press Command+Shift+G and type ~/Library/Screen Savers/

Add Screensaver via Screen Saver Folder in Mac OS X

Step #2. Drag the downloaded screen saver file in the “Screen Savers” folder. (side note: you can drag .saver files into the folder and they'll work too)

Step #3. Go back to the “Apple” menu > System Preferences > Desktop & Screen Savers to locate this file and use it.

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Note that if you want the screen saver to be available for all users on your Mac, in the first step, go to /Library/Screen Savers/ (skip the ~).

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Jignesh Padhiyar is the founder of iGeeksBlog.com who has a keen eye for news, rumors and all the unusual stuff that happens around iPhone and iPad.
  • Frances

    Any idea how to add your own photo as a screensaver on Yosemite?