Download WiiFlow from the Download List above. Put it in the apps folder of your SD Card. 2.) Download the DIOS MIOS v2.8 RAR. Go to 'DM', then move 'DIOSMIOS_2.8' to the root folder of your SD card, or for easier installation put it in a folder on the root titled 'wad'. 3.) Download MMM, and put it in your apps folder. 4.) In the DM folder in the RAR, there will be a file named DMToolbox.exe, run it, select your games iso file, and choose where you want the game's folder to go (Desktop will do.). Hit 'Install', and the folder will appear where you wanted it to, it will be named the game's ID, which will, to you, appear to be a bunch of random characters. 5.) Download and Install EaseUS Partition master, and open it. Find your HDD, and right click it, and select 'format'. Format it as FAT32 with 32KB Clusters. *DON'T IGNORE! Press OK, and then "Apply". 6.) Look at your empty HDD, and make a 'games' folder. Put the folder with the Game ID in there. WII:1.) Plug in your HDD in USB Slot 0. Turn on your Wii. Launch Homebrew Channel. Then launch MMM. 2.) Choose WAD Manager on the menu and install DIOSMIOS_2.8.wad 3.) After you're done, exit MMM. Launch WiiFlow. 4.) Go to Settings, and change game partition to USB1 5.) Press 'B', and select the Gamecube icon 7.) Choose a game and press Start. Every time you add new games, you have to hit the home icon, and hit update cache, and your game list will refresh. Congratulations! You can now play GC games from your USB HDD!