Use a tool like 7-Zip or WinRAR to extract the contents.
Loadiine expects a specific folder path on your SD card: SD:/wiiu/games/Mario Kart 8 [AMKE01]/ (The base game) MK8-USA-DLCs-LOADIINE-ZIPERTO.rar
Typically includes the Mercedes-Benz x Mario Kart 8 update, as well as DLC Packs 1 and 2 (Legend of Zelda and Animal Crossing packs), adding new characters like Link and Isabelle, and 16 additional tracks. How to Use with Loadiine Use a tool like 7-Zip or WinRAR to extract the contents
To use these files, you generally need a Wii U with homebrew access. Because Loadiine runs decrypted files from an SD card, the setup usually follows this structure: Because Loadiine runs decrypted files from an SD
This specific DLC pack is intended for the original Wii U version . If you are looking for tracks for Mario Kart 8 Deluxe on the Nintendo Switch, these files will not work.