Step 1: What you need...
-The latest system update (requires an internet connection)
-2 SD Cards, at least 1GB in size (I only had one SD card so i used my MicroSD from my phone as the second card.)
-A computer with internet and a SD card slot. (If you don't have one you will need to buy a memory card reader.)
-A backup of your Wii's NAND flash and a backup of ALL WII GAME DATA!!!
Now you need to remember, this does not work on ALL Wii systems. So don't get worried if it doesn't work.
DISCLAIMER: I AM NOT RESPONSIBLE FOR BRICKED WII'S, AND PLEASE DO NOT UPDATE YOUR WII THROUGH NINTENDO!! IF YOU DO, YOU WILL HAVE TO DO ALL OF THIS AGAIN!
Step 2: Downloading the files...
NOTE: MAKE SURE THE SD CARDS ARE FORMATTED IN FAT32!!
go to: www.mediafire.com/ (THIS LINK!!!) and download the zip, the name tells you what to do ;)