Without these keys, the emulator cannot read the game files or the console's firmware.
To get Yuzu functional, you must place your keys in the emulator's internal folder system: Go to File > Open Yuzu Folder .
Drag and drop your prod.keys file into this folder.
Often paired with prod.keys, title.keys are used to decrypt specific game content, though many modern Yuzu setups primarily require only the latest prod.keys. How to Install Them