How to record your screen on a Mac

Photo by Vjeran Pavic / The Verge Whether you want to save a video of what’s playing on your screen, share what you’re looking at with friends, or film a tutorial, recording your Mac’s screen can come in handy. Luckily, Macs have this feature built in (your iPhone does as well), letting you record part or all of your screen.
It also lets you record external audio — anything coming in through your mic — but the Mac’s built-in options don’t let you record