To install on a Nintendo 3DS using a CIA file, you must first have Custom Firmware (CFW) , such as Luma3DS , installed on your device. The standard file size for this title is approximately 1.2 GB . Prerequisites

A microSD card with at least (1.2 GB for the CIA file and 1.2 GB for the installed game data). Step-by-Step Installation Guide WarioWare Gold - Super Mario Wiki

A Nintendo 3DS or 2DS console with . The FBI homebrew application installed on your console.