I searched “Internet Identity” on YouTube and these were the top 3 results:
The second and third might be the type of thing you’re describing. They seem quite long, so perhaps they’re not simple enough.
However, my opinion is that if someone needs to watch a video to understand how to create an Internet Identity then the app needs to be improved so that things are more self explanatory.
This video from @cryptoisgood is pretty straightforward. It includes how to set up an Internet Identity as part of the premise of the video, which is on how to stake ICP