Use QuickTime Player , which natively supports MP4 files.

For more advanced control, HandBrake can be used to adjust the technical specifications (like resolution or frame rate) before you bring it into a professional editor. 🔊 Extract Audio

To "make a feature" from this video, you will generally need to use video editing tools to transform the raw source into a polished piece of content. Here are the most common ways to do that: 🎬 Edit into a Short Feature