: Launch Ryujinx, go to the File menu, and select Open Ryujinx Folder .
: Within the folder that opens, find and open the system folder.
: Use a tool like 7-Zip or WinRAR to extract the .rar file to get the actual .keys files. RyuJINX prod.keys 15.0.0.rar
: Paste your extracted prod.keys (and title.keys if available) directly into this system folder.
: Users on specific platforms like Steam Deck may find the path is typically ~/.config/Ryujinx/system/ . : Launch Ryujinx, go to the File menu,
: Your prod.keys must match the version of the firmware you have installed in the emulator.
Are you setting this up for the , or are you updating an existing installation to play a specific new game? : Paste your extracted prod
Double-check that your firmware version also matches. You can install matching firmware by going to Tools > Install Firmware > Install a firmware from XCI or ZIP within the emulator.