To edit captured footage, you can use QuickTime or iMovie, which is included with every Mac.
Connect your Apple TV to your Mac with a USB-C to USB cable.Select your device under Camera and Microphone.Click on the down arrow next to the Record button.Connect your iOS device to your Mac with a Lightning cable.You can use a Mac running macOS Yosemite or later with QuickTime Player (Version 10) to record a movie of your iOS app on an iOS device or tvOS app on Apple TV. You can easily use a Mac to capture screen recordings of your apps on a Mac, an iOS device, or Apple TV. App previews are short videos that demonstrate the features, functionality, and user interface of your app or game on your App Store product page.
