Without the correct prod keys, Ryujinx will fail to boot any game and will display errors such as:
Close the emulator entirely and reopen it. If the keys are placed correctly, Ryujinx will no longer prompt you with a "Keys missing" header. Installing the v18.0.0 Firmware ryujinx prod keys v1800 latest product keys work
: The prod.keys version must match the installed firmware version (e.g., v18.0.0 keys for v18.0.0 firmware) for the emulator to recognize them correctly. Without the correct prod keys, Ryujinx will fail