Nintendo was shutting down everything—Yuzu, Suyu, and actively fighting other forks. The keys were not just files; they were the last vestiges of a community that saw emulation as passion, not theft. The prod keys were the keys to the kingdom, the "technological protection measures" that, once bypassed, allowed the game to live on, potentially forever, in high-resolution, high-frame-rate beauty that the hardware could never afford.
Within the Lockpick_RCM interface, select "Dump keys" to generate a prod.keys file. yuzu prod keys
So he went looking for the keys.
If you are a tech enthusiast interested in game preservation, digital archiving, or running your legally purchased Switch games at 4K resolution on a PC, learning how to dump your own prod.keys is a rewarding technical challenge. Within the Lockpick_RCM interface, select "Dump keys" to
In the top-left corner of the window, click on File . In the top-left corner of the window, click on File
Save the file to the bootloader/payloads/ directory on your Switch's microSD card. Step 2: Boot into RCM Power down your Switch completely. Insert your RCM jig into the right Joy-Con rail. Hold the button and press the Power button.
You likely placed the keys in the wrong directory, or the keys are outdated. Ensure they are in the %appdata%\yuzu\keys folder.