Can you make Mac's Menu Bar hide?

We all know you can simply click "turn hiding on" in Dock's Preferences, but can you do the same thing to Mac's Menu Bar?

Solution 1:

As of OS X El Capitan (10.11), this functionality is built in to the operating system. Go to System Preferences > General and turn on "Automatically hide and show the menu bar."

Here is how it works:

Solution 2:

From my dear friend Google :

You can't hide menu bar without using other apps. See > http://osxdaily.com/2011/02/24/hide-mac-menu-bar/ Note that when you are using a full-screen application, menu bar is hidden and it appears when you move the cursor to the top of your screen