Downloading ROMs for games you do not own is technically copyright infringement.
This is where the nuance begins. Nintendo has historically been aggressive in protecting its intellectual property. They have sent DMCA takedown notices to Archive.org, resulting in the removal of huge swaths of first-party titles like Super Mario Bros. 3 or Kirby’s Adventure . nes roms archive.org
It is crucial to discuss the legality of downloading ROMs. Downloading ROMs for games you do not own
Once you have your emulator installed, simply download the .nes or .zip file from Archive.org, load it into the emulator, and you are ready to play. load it into the emulator