Nintendo is notoriously litigious. They consider downloading any ROM of a commercially available game—even if you own the physical cartridge—to be copyright infringement. The only legally defensible position is "fair use" for educational or archival purposes, but that rarely holds up for casual gaming.
Before downloading and playing N64 ROMs, please note: N64 Rom Pack Archive.org
For the retro enthusiast, the answer is a resounding . The ability to download a complete, accurately preserved snapshot of the Nintendo 64 era is a marvel of digital archiving. Whether you want to replay Ocarina of Time on your phone, host a GoldenEye LAN party on your PC, or load an EverDrive with the entire US library, Archive.org is the safest and most reliable source. Nintendo is notoriously litigious
The N64 ROM Pack Archive.org uses various technical approaches to provide and manage the ROMs: Before downloading and playing N64 ROMs, please note:
Some archives include prototypes and "beta" versions of games that never hit store shelves. How to Use the N64 ROM Pack
He clicked.