Right-click Pokémon Scarlet in the list, select "Manage Title Updates," and install the update file for better FPS.

Open the emulator, navigate to File -> Open [Emulator] Folder , then place your prod.keys into the keys folder and install the firmware via Tools -> Install Firmware .

Obtain the Pokémon Scarlet XCI file from a reputable backup source.

Download the latest version of Ryujinx or Yuzu and follow the setup instructions.