4000badge.7z

: Running a tool like GYTB or Anemone3DS on a console with custom firmware (CFW) to "extdata" the badges into the system menu. Significance in Modern Gaming

: Using software like 7-Zip or WinRAR to unpack the images. 4000badge.7z

: Moving the desired badges into a folder named /badges/ on the 3DS SD card. : Running a tool like GYTB or Anemone3DS