In this video tutorial, I will show you how to add chapters to your YouTube videos. This will show up in the progress bar of the videos. Start by using timestamps with titles and don't forget to add 0:00. This will help break your videos into segments so the viewer can quickly scan for a specific section.

0:00 Introduction
0:45 Chapter 1
1:30 Chapter 2

More tips about using timestamps: https://teachers.tech/how-to-timestamp-youtube-videos/
How to Create a YouTube Channel in 2020: https://youtu.be/qbzhigA-eI0
The Perfect Video Size for YouTube: https://teachers.tech/perfect-video-size-for-youtube/