¿Cómo descargo un vídeo de YouTube u otro sitio?

Point at the video in your browser and click the Download video button that appears over it, or paste the page's address into Tasks → Download video from a page. GDM lists every quality the site offers, with sizes; pick one and it downloads like any file. It uses yt-dlp, which supports thousands of sites. Download only videos you have the right to. See Download a video from a page.