Right-click the video in your browser, then click Save video as in the resulting drop-down menu. The video will begin downloading onto your computer as an MP4 file with the name "videoplayback". Select a location and click Save. This downloads the video to your computer.
How can I copy a video clip?
Right click on the file and select "Copy". Holding the ctrl and c keys down together will also copy your video.
Can I download video from YouTube?
YouTube does not allow you to download videos directly from their site. You need to use a third-party service, install software, or get a YouTube subscription service to download a YouTube video.