Since the file likely originated here, it’s the best tool for "putting it together." Open the app, start a "New Project," and select this file along with any others you want to join.
If you are asking because the file , "putting it together" might mean repairing it. lv_0_202211111335101.mp4
Cut out the "dead air" at the start and end of the clip where you might be setting up the camera or reaching to turn it off. Since the file likely originated here, it’s the