Dolphin allows you to simulate an SD card. This is where the CTGP files will live so the emulator can read them just like a real Wii does. Step-by-Step Setup Guide for Dolphin
CTGP Revolution, also known as "Custom Track Grand Prix Revolution," is a popular custom track pack for Mario Kart Wii. It features a wide variety of user-created tracks, often with unique themes, challenging layouts, and detailed designs. mario kart wii ctgp revolution iso dolphin link
: Generally easier to find as a pre-packaged "Mega" file that you place on your virtual SD card. Recommended Alternatives Dolphin allows you to simulate an SD card
