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
: Use a tool like 7-Zip or WinRAR. Right-click on MHS-USA-CIA-RF-Ziperto.part1.rar and select "Extract Here" . MHS-USA-CIA-RF-Ziperto.part1.rar
Because the filename ends in .part1.rar , it is part of a "split" archive. You cannot use only one part; you must have all segments (e.g., .part1.rar , .part2.rar , etc.) in the same folder to succeed. Copy the extracted