The dumper will generate a prod.keys file on your Switch’s SD card, which you then transfer to Sudachi's keys directory on your computer.

Prod.keys are a set of cryptographic keys unique to the Nintendo Switch. Every Switch game and system file is encrypted to prevent unauthorized copying and execution. When you load a game in Sudachi, the emulator uses these keys to decrypt the game's code, assets, and data on the fly.

Once you have legally obtained your prod.keys file and firmware dump, follow these steps:

While some homebrew applications can run without a full firmware installation, commercial games require it.