How do you download Mario smash football PC game?

To download Mario Smash Football for PC, you typically need to use an emulator, as the game was originally released for the Nintendo GameCube. First, download a GameCube emulator like Dolphin. Then, acquire a ROM of Mario Smash Football, ensuring you do so legally, as downloading copyrighted games without ownership is illegal. Once you have both the emulator and the ROM, open the emulator, load the ROM, and you can start playing the game on your PC.