: A homebrew application that runs directly on the Wii U. It allows users to download and install content directly from the NUS to the console's internal NAND or an external USB drive.
: This is the digital license or "key" required to decrypt and play the content. wii u nus
: These contain the actual game data, encrypted and split into multiple numbered parts (e.g., 00000000.app ). .h3 files : These are hash files used for data verification. : A homebrew application that runs directly on the Wii U
: While not a downloader itself, this is the standard tool used to install NUS-format folders (packed .app files) from an SD card onto the Wii U system. : These contain the actual game data, encrypted
: A security certificate that verifies the authenticity of the files. 3. Popular Tools for Interacting with the NUS
Files downloaded directly from the NUS are typically in an . This structure is different from a raw disc dump and consists of several specific file types within a folder:
The homebrew community has developed several utilities to interact with the Wii U NUS for the purpose of game preservation and backup management: