Hi there

Please refer to the video URL below.
https://streamable.com/649f67

At first, I thought it was edited only with PowerPoint, but it doesn't seem to be the case. I contacted the creator of the video but didn't get a response.

Below is my guess. However, although the video editing software is AviUtl, other apps
But I think I can

1. Using the PowerPoint recording function, I recorded the operation procedure including the application such as the magnifying glass.
2. Loaded the file completed in1 into AviUtl
3. Input voice using AviUtl's simple recording function
4. Create text and insert it in the right place in the video

I look forward to your comments.