Standard downloaders often fail on private videos because they cannot "see" content restricted to specific users. The private downloader works by having provide the video's source code, which contains the direct media link your browser already has access to while you are logged in. Step-by-Step Instructions
: You must have access to the video (e.g., being a member of the private group or a friend of the poster). fbdownnetprivatedownloaderphp in your web browser work