"ElAmigos" seems to be the release group, and "MULTi11" likely indicates that the game supports multiple languages, with 11 languages available.
This is where we get to the heart of the issue. ElAmigos is not a game developer or a legitimate retailer. They are what the gaming community calls a "repacker". Repackers take commercially available games, remove or circumvent Digital Rights Management (DRM) protections, compress the files to a smaller size, and then redistribute them for free. This practice is a form of copyright infringement and is illegal in most jurisdictions. Hogwarts Legacy Deluxe Edition MULTi11 - ElAmigos
Choose your preferred text and audio language from the installer menu. "ElAmigos" seems to be the release group, and
However, the game's DRM was famously cracked within by a cracker known as Empress . This was a massive blow to Warner Bros. and a victory for the pirating community. Following Empress's release, ElAmigos and other repackers quickly integrated her crack into their own repacks, making the game widely available. They are what the gaming community calls a "repacker"