First, go to your Mac desktop.
Now, press the control key on the left side of your keyboard (
ctrl ^) and the up arrow on the right side of your keyboard (
^) at the same time.
You'll see a drop-down bar appear at the top of your Mac screen.
Now, click the plus sign in the upper right-hand corner (
Continue clicking the plus sign (
+) until you have the desired amount of desktops on your Mac.
Then, when you are done, click anywhere on the screen, so that you can start using your desktops. And, once you have multiple desktops, learn how to shuffle between multiple desktops on a Mac.