If you don't know how to install kernel, Just find the right Guide under Knowledge Base Page

Before you can use your card for the first time, please follow our simple step-by-step guide to set up your Micro-SD memory. Also note that 4GB and above Micro-SDHC memory only works with some cards, while 2GB Micro-SD memory works with any card.

This guide will help you decide which R4 R4i Downloads files will work best for you. We also provide Installation Help and Firmware Download for all the different version of r4/r4i or other flash cards.

1. Download Software
Depending on your card, download the below ZIP files (choose the one that's correct for your card) to your computer. It contains the menu files for your card. Menu files will only work on one type of card, i.e. R4DS files will NOT work for an DSTT/EZFlash Vi/EDGE DS, etc.

a. R4i Software Downloads (For Products under R4i Gold V2.0, R4i Gold V1.4, R4i SDHC Category)

b. R4 Software Downloads (For Products under R4 DS, R4 SDHC Category)

2. Open Download
Open the compressed folder and save the files on your computer or to the desktop. The download may contain several files and folders.

3. Plug in Micro-SD Card
Using the USB card reader or the Micro-SD memory reader, connect the Micro-SD memory to your computer. The memory will show as an external hard drive (i.e. "F:\").

4. Format Micro-SD Card
This step is important, please make sure you follow the instructions closely. After Windows has added the card as a new drive, open the "My Computer" window and right click on the new removable drive. Then select "Format" from the menu. In the format window select FAT32 as file system and press OK to format the card.

All content on the Micro-SD card is now deleted and the card is ready for the use with your card. If you have important data on the Micro-SD memory make sure you save the data somewhere else (i.e. your local hard drive) before you complete this step.

4. Copy files to Micro-SD memory
Copy / drag-and-drop the items previously unzipped to the newly formatted MicroSD memory.

5. Add Media to Micro-SD cardCopy your media directly onto the Micro-SD memory. This completes the setup process. You can now insert the Micro-SD memory into your DS card and start using it with your Nintendo DS / DS Lite.