To update to support firmware 21.0.0 or later, you must provide the emulator with matching prod.keys to decrypt your games. Why You Need Keys
If you have the key files, follow these steps to set them up:
Which would you prefer?
Once you have obtained your prod keys, you can use them with Ryujinx. To do so, follow these steps:
If you have legally obtained your keys, follow these steps to install them: : Launch the application on your PC. ryujinx prod keys 21
: The prod.keys file is typically extracted from a modded Nintendo Switch using tools like Lockpick_RCM. Open the System Folder : Launch Ryujinx. Navigate to File → Open Ryujinx Folder . Open the subfolder named system .
Key changes in 21.0.0 that affect emulation: Ryujinx To update to support firmware 21
: Close and reopen Ryujinx. The "Keys not found" error should disappear. Where to Find Your Keys