How to change the screensaver on a Mac

System Preferences

The first thing you need to do is open System Preferences (applications folder --> system preferences) Next click on the "Desktop & Screen Saver" button.

Choose Screen Saver

The window should turn into a list of your screen savers and a preveiw of them. Select the screen saver you would like to change to. Click the test button to make sure it is what you want.

Hot Corners (Optional)

Hot Corners let you move your mouse to a corner of the screen and go start the screen saver. To do this click on "Hot Corners...". Next choose a drop down menu next to the corner you would like to use. On the drop down menu select "Start Screen Saver".

Choose Start time

Decide the time your computer remains idle before the screen saver stars. After you have completed all of these things you are finished. (If you would like to get more screen saver click the link in resources below)