Super Smash Bros Ultimate - Hero Challenger Pack

Nintendo

1. Connect your console to the internet and launch Nintendo eShop from HOME.
2. Choose the user linked to the intended Nintendo Account. Check the account country and code region.
3. Choose Enter Code / Redeem Code in the left menu and enter the 16-character download code.
4. Confirm redemption. Games begin downloading and appear on HOME. eShop cards and Nintendo Switch Online codes use this route too.