Prod keys (Production Keys) are essential system files extracted from a Nintendo Switch console. Without them, Ryujinx cannot read the encrypted data found in game files (NSP or XCI formats) or the system firmware. If these keys are missing, the emulator will typically display a error upon startup. How to Obtain Prod Keys Legally
The most legitimate and secure way to acquire these keys is by "dumping" them from your own modded Nintendo Switch console. download prod key ryujinx
Once you have the prod.keys file, follow these steps to install it in Ryujinx: Prod keys (Production Keys) are essential system files