EDITS

This is simple. and effective. but make sure you record audio on a second camera angle. Below I show instructions to record on an iPhone and a Mac. Its also a good idea to do a test run as well. 

This could be really helpful when you want to explain the reason why you would do something. i.e. "Im adjusting my highlights. I exposed for the shadows while I shooting knowing I could bring back the highlights in my edit. etc." 

Having a shotgun mic or a lapel is a great idea. audio is so important. try to have the best audio that you are capable of. 

To open the utility, press Cmd + Shift + 5 on your keyboard. At the bottom of the window that appears, you’ll see two options—Record Entire Screen and Record Selected Portion.

If you choose Record Entire Screen, a camera icon will appear. This is handy if you use more than one monitor. Just move the camera to the screen you want to record and click for the recording to begin. If you choose Record Selected Portion, drag the corners of the box you see to adjust the frame size. You can also move the box to a different area on your screen.

Clicking on Options allows you to select various options for your Mac screen recording. This includes choosing your desired microphone, where you want to save your recording, if you want to record mouse clicks, and more. Once you’re ready, hit the Record button to start the recording.

1. With iOS 14 or later, go to Settings > Control Center, then tap the Add button  next to Screen Recording.

2. Open Control Center on your iPhone or iPod touch, or on your iPad.

3. Touch and hold the gray Record button , then tap Microphone.

4. Tap Start Recording, then wait for the three-second countdown. 

5. To stop recording, open Control Center, then tap the red Record button . Or tap the red status bar at the top of your screen and tap Stop.

Go to the Photos app and select your screen recording.