Right-mouse click on the video and look for the 'Open with' option.Once you have the video file located, follow the steps below to edit it. If they are on a phone or camera, you can use a USB connection to move them over. Your first step is to transfer the videos to your computer. Did you know that you can edit video clips for FREE on both Windows and macOS? Built right into the operating systems are video editing software programs that can get the job done for you in minutes.