Auto Hide & Show Mac Menu Bar in OS X 10.11 El Capitan

A new feature added in OS X 10.11 El Capitan is the ability to auto hide and show the Mac Menu bar. Hiding the Menu bar will give you more vertical space and a more minimal look on your desktop. If you rarely use the menu bar, you should consider hiding it. Although, it in my opinion, if you've used mac for some time, it looks weird without the menu bar. 

To hide the Mac's Menu Bar in OS X 10.11 El Capitan:

1. Open System Preferences. 

2. Click General. 

3. Under Appearance, check on "Automatically hide and show the menu bar".