if all you want to do is to play all the games etc....and you have a drivekey installed.....than IF a game from the same region as your wii asks to update.
go for it!
but only a game from the same region...otherwise your wii may get bricked
The link you referred to is meant for softmodded wii's....
\yours is hardmodded with a modchip...so you don'y need to istall HBC or any of the other apps....just insert the games, update with same region game if prompted, play