Things You'll Need
Instructions
Plug the MicroSD card into the USB adapter.
Insert the USB adapter into your computer. Open the MicroSD card on your computer by hitting the Windows key and "E" simultaneously and then double-clicking the card.
Download the Supercard DS One software directly from the Supercard.sc website. You must have the software in order to use the card.
Unpack the zipped file. Place the software folder on the MicroSD card by dragging and dropping it.
Browse the web for homebrew games, apps, video and other media. Simply drag this media to your MicroSD card, and the Supercard operating system will know how to use it.
Remove the card from the USB adapter, and then place it in the Supercard DS One. Insert the card into your Nintendo DS. Turn the system on to load the Supercard's main menu.