You only need a compatible torrent client to use a magnet link. It’s called a magnet because it uses a unique identifier (a magnet URI) to attract the file to your computer rather than linking directly to the file itself. Another case of Chromium developers being sure they know the best interests of all users and making changes without any thought of those who actually use it, for some vague reasons of 'security' or 'protecting users'. A magnet link is a type of hyperlink that contains information about a file you want to download. Downloading the P2P files is a breeze you’ll see the link right at the top of each page. Of the torrent sites that still work, RARBG is one of the best for Hindi films, cracked software, and games. I just did some digging around on this myself, and it turns out it's change since Chrome 77, the checkbox to always open in the selected program is gone. RARBG is quite rich in obscurities and can be a good place for those searching for B films, porn, or art house.

A popular website garnering colossal traffic due to its content diversity. Features lots of content belonging to different categories with direct and magnet links.

Said in Vivaldi asking confirmation to open uTorrent for magnet links: A user-friendly interface makes finding the desired torrent file easy.

Utorrent magnet link