You have several options how you can download a video from facebook
First option: You copy the video url from Facebook in your browser (smartphone, desktop, tablet) and paste it into our online service and click on download. If the download is available you will be shown the final download button.
Second option: You are using a Facebook video downloader add-on (for example for Chrome) and then you simply click on the ICON in the browser bar. You will be directed to our website where the download process will start automatically.
Facebook Video Downloader online