NUS Downloader (NUSD) is a PC program that allows you to download many official Nintendo Wii related files directly from the Nintendo Update Server (NUS). The program is used as a more legal alternative to directly sharing (copyrighted) Wii software.
This guide may require on some parts that you use it to download various things.
It is mostly used in the Offline parts of the guide.
First of all, download the NUS Downloader here.
Extract it and start it up. You will get a screen like this:
To download the needed files, follow the guide that sent you to this page.
Anything you download will be placed inside the titles folder which can be found in the same folder as the NUS Downloader.
Using NUS Scripts
Through the guide you might see downloads to various NUS Scripts. These contains data for all titles that have to be downloaded. Note that they do NOT activate pack -> wad, so enable it BEFORE loading the script.
You can load NUS scripts in the extras menu.
Save WAD As
New in v1.9 is the ability to Save your WAD on any location.
To use the save as function, first check Pack WAD, then click the small save icon on the right of the inputbox.
Then browse for the location where you want to save your WAD and give it a name. Then click save.
After this, you still need to click "Start NUS Download!".
Another new feature of v1.9 is the ability to patch IOS files with the Trucha Bug, ES_Identify and NAND Permissions.
First select the IOS to patch from the Database. The click the Patch IOS checkbox at the bottom. Select the patches you want and click OK.
Then you can start the NUS Download.