This guide does not install any unofficial content to your Wii.
Nintendo should not be able to detect that any homebrew has been run on your Wii.
An SD Card is required to complete this guide.
If you get errors during any of the steps reformat your SD card (or HDD) as FAT32.
After finishing this guide completely one time, you can start neek again with just the Launch Exploit step.
If your Wii ever freezes, hold the power button on the Wii for 5 seconds to power it off then try again.