: Citra requires the update to be a .CIA file. If you have a .3DS or .CXI file, it might be the base game rather than the update.
Before starting the installation, ensure your computer and files meet the necessary requirements. System Requirements
Before diving into the technical setup, let's clarify what "Pokémon X Version 15" is. While official sources for Pokémon X typically refer to game updates like , which were official patches for the base game, the term "Version 15" in the modding community usually points to a specific ROM hack of the game.