How to Redeem a Nintendo Switch Code

Go to the Nintendo eShop: On your Nintendo Switch, select the eShop icon from the home menu, or visit the eShop online at https://ec.nintendo.com/redeem.
Log in or create an account: Sign in to your Nintendo account or create one if needed.
Navigate to “Enter Code”: In the eShop, scroll down and select “Enter Code” on the left-hand side menu, or use the online redemption field.
Enter your code: Input the 16-character code from your Nintendo Switch game or content in the provided field.
Redeem the code: Click “OK” or “Redeem” to apply the code to your Nintendo account.
Download and play: Once redeemed, download the game or content from your library and start playing.