: Even though the file says "USA," being "RF" means it should work on European or Japanese consoles without extra steps.
Copy the extracted .cia file into a folder on your SD card (commonly a folder named cias ). Eject the SD card and put it back into your 3DS. 3. Install via FBI
To use this file, your 3DS must have custom firmware (CFW) like Luma3DS and the FBI homebrew application installed. Launch from your 3DS Home Menu. Select SD → cias (or wherever you placed the file). Select the .cia file.
Choose . This installs the game to your Home Menu and deletes the installer file to save space.
: If you are installing DLC or updates, follow the same steps. They will automatically attach to the base game once installed.