If you have tried to search Chromebook on the searching engine like Google, you can easily find questions as the above. Chromebooks are definitely awesome machines, which can perform many of the same tasks as Windows and macOS. However, Chromebook users always feel head spin when they need to complete some content creation project like edit videos on Chromebook and something like that.
Watch your video a few more times and add animations, captions, title pages. Make sure you have edited mistakes and that your video is perfect before uploading it to the public. Be sure your video contains no copyrighted information. If you are playing a song in the background, be sure to add the title and its artist in your description. You'll need to give credit to that person, or you may get in trouble! How To Make Better YouTube Videos