: Choose the first button on the left (the green arrow pointing from a chip to an SD card).
While it is technically possible to find "Wii NAND backup download" links online or from other users, this is for several reasons: BootMii Backup | Wii Hacks Guide Wii Nand Backup Download
: Open the Homebrew Channel and press the HOME button on your Wii Remote. Select "Launch BootMii" . : Choose the first button on the left