Use the search bar on the left. Type "Super Mario 3D World." Right-click the result. You will see options:
Create backups of legally owned digital games. Modern Methods: NUS Downloader vs. NUSSpli (2026 Update) wii u nus
When you clicked "System Update" on your Wii U, or downloaded a game from the eShop, your console was communicating directly with NUS. The system would request a specific title ID and version, and the server would respond with encrypted, signed data packages. Use the search bar on the left