All you need to do is run Apple’s own QuickTime - which comes pre-installed on every Mac - and use the screen recording feature that’s already baked in.
Whatever the reason, it's pretty easy to make a recording of your screen on a Mac. What if you want to do this on a Mac? There could be a number of reasons to do this - from recording an error to send to tech support, or to show someone how to do something in an app, or simply showing off the latest ‘kill’ in your favourite game. We've talked about recording your screen on an iPhone, and also how to do it on an Android phone.