Forget the package: Trash it, toss it, whatever. Find your firmware version by navigating to Wii Options > Settings > top right hand corner. It will be 2 numerical digits followed by a U/E/J. Ex. - 3.2E, 4.1U, 4.2E, etc.
Once you have that, follow either the 3.1-4.1 or 4.2 guide below from beginning to end, word for word. This will set you up with HBC, cIOS, updated IOS', usb loader, and brick protection.