However, some users have reported finding a few 3DS ROMs on the IA, often uploaded under the guise of "abandonware" or "preservation" efforts. Keep in mind that downloading copyrighted content without permission is against the law in many countries.
You're looking for information on decrypted 3DS ROMs and their availability on the Internet Archive. decrypted 3ds roms internet archive best
Decrypted 3DS ROMs are copies of Nintendo 3DS games that have been decrypted, allowing them to be played on a computer or other device without the need for a physical 3DS console. These ROMs are often created by ripping the game data from a 3DS cartridge or by downloading them from online sources. However, some users have reported finding a few