An additional perk of having iCloud is that it comes with a free email account. So if you have an Apple ID, you by default have an iCloud email account.
No matter what size screen you have on (or for) your Mac, knowing how to get into and out of full screen mode for your apps is a productivity hack you'll wish you'd known much sooner.
After you’ve tried the tips from the previous section on your Mac and find AirPlay not working still, you can add a few more specific troubleshooting actions. You can turn your WiFi off and on from the Control Center and try to update the firmware on your router.