: These keys act as the primary "password" for the emulator, allowing it to decrypt game files (ROMs) so they can be read and executed on your PC.

Drag and drop both and title.keys directly into this system folder.

Insert the microSD card back into your Switch and boot the console into RCM (Recovery Mode).

While often mentioned together, "title keys" are typically generated automatically or included alongside prod keys and are specific to individual games. How to Install Prod Keys v18.0.0