How Mac Sets the rotation screen

How do I set the Mac to rotate the screen? Rotate the Mac screen 90 degrees, and then you can lie down and watch an ebook or a TV movie, isn't it a very pleasant thing to do? I believe many of the "lazy cancer" patients Mac users have thought about it, Today's small series will bring you how to set the Mac to rotate the screen to use the tutorial bar.

1, first click on the Apple icon in the upper left corner, select enter "System Preferences".

2. In System Preferences, go to the "Display" settings option.

3, in the display settings options can see "rotation" This setting option, the drop-down menu has three kinds of rotation angle can be selected, choose to exit after the setup is complete.