You'll need to click into each button field and set them by pressing the corresponding on the controller: With an acceptable controller available, choose Options > Controller Settings in the main menu. You'll need a suitable controller to play GameCube on your computer you can purchase a USB GameCube controller or you can use a controller you already have, like a Xbox controller.
Start by downloading and installing the Dolphin emulator. The Dolphin emulator, available for Windows and Mac, allows you to play your favorite GameCube titles. After a bit of research I figured it out - let's'a'go! Step 1: Download Dolphin
I owned the GameCube when I was younger and, though there were a shortage of decent games, I really enjoyed Mario Kart: Double Dash, so it was important I figured out how to play GameCube games on Mac. My newest adventure has me looking to progressively newer systems - this time the Nintendo GameCube. My current obsession with retro gaming has brought me to creating a RetroPie on Raspberry Pi, a Recalbox on Raspberry Pi, playing retro games on Mac with OpenEmu, and exploring how to play Sony Playstation games within OpenEmu.
