Use the R4 DS

1.
Step 1

Gather your supplies. If your computer does not have a slot for
the micro SD card, use the USB adapter that comes with the R4.
2.
Step 2

Slip the micro SD card into the USB adapter that comes with the
R4 and then insert the USB adapter into a USB port in your computer.
Go to "My Computer" and click on "Removable Disc" for the drive that
corresponds with the USB adapter. This will vary with each computer.
3.
Step 3

Remove the disc that comes with the R4 and load it into your
computer. Copy the files from the disc onto the micro SD card.
4.
Step 4

Take the micro SD card from the USB adapter when all the
transferral of files is complete. Slip it into the bottom of the R4.
5.
Step 5

Insert the R4 into the DS. Turn the DS on. If you used the R4
properly, the DS should go to the R4 screen.
6.
Step 6

Use the R4 DS to download games for your DS. You can create
files on your computer which can then be loaded to the DS via the
micro SD card or the R4.

http://www.gameplayfun.com