Smash Stack requires a copy of Super Smash Bros Brawl, and will work on all wiis. The latest version of Wii System Menu is 4.3, therefore, this method should work for ALL USA, Japanese, Korean and PAL Wiis. This tutorial applies to versions of the Wii System Menu ranging from 3.0 to 4.3. The methods described in this tutorial covers the Smash Stack, Yu-Gi-OWNED!, Bathaxx, Return of the Jodi, Indiana Pwns, Eri HaKawai and Letterbomb exploits as these are the only methods working for 4.3 other methods of installing the Homebrew Channel for users with older System Menus are Bannerbomb and Twilight Hack.
This is a step-by-step guide of how to install the Homebrew Channel on your Wii console.