This is how to record the Apple TV (4th generation, 2015) video output using an USB-C cable and a Mac with QuickTime Player, no additional capturing device.
It is a cheap way to record Apple TV gameplay videos for YouTube or to make video app-previews and tutorials. The video quality is quite good! Watch the video
How to fix AirPlay problems: missing AirPlay button on Control Center? iPhone and iPad mirroring not available or unstable? Here you have a checklist to fix your Apple TV.
Quick and easy, step-by-step, troubleshooting guide: Watch the video
Have you connected your iPhone or iPad on the TV? They are great to watch videos, show photos to family and friends and even play games on the TV. The iPad is awesome to make presentations on Keynote – plugging it directly on a Projector (you can connect your iPhone too!)
Which cable/adapter should you buy? Should you go wireless with Apple TV? Here is the ultimate overview tutorial on “Connecting iGadgets to the TV”. Watch the video