The Wii Shop Channel Online is a powerpoint presentation, which should be an easier way of downloading software or your Wii.
It's easy since the interface of the powerpoint is exactly like Nintendo Wii Shop Channel.

Powerpoint linked down below (Google Drive)
Make sure to click "Read Only" once the powerpoint opens. Security reasons.

drive.google.com/file/d/1aE_hJ…KKDtSugz/view?usp=sharing