If you are looking to turn this specific clip into a more polished "feature" or presentation, you might consider these steps:
: Use iMovie or CapCut to add a color filter, a title card at the beginning, and a fade-to-black at the end.
: If you need to share it with non-Apple users who are having trouble viewing it, you can convert it to an MP4 format using tools like CloudConvert or Handbrake.
: This is a standard Apple QuickTime container, typically encoded with H.264 or HEVC (High Efficiency Video Coding). Ways to "Feature" This Video