To download apps on your Nintendo Switch, you'll need to create a Nintendo Account and link it to your console. This will give you access to the eShop, where you can browse and download games, DLC, and other fun content. It's a breeze to set up, and you'll be playing your favorite games in minutes.
Once you're all set up, you can start browsing the eShop for games to download. You can search for specific titles, or browse through the various categories and recommendations. The Switch has a huge library of games to choose from, including popular titles like Mario, Zelda, and Pokémon.