System Requirements for Off-Device Purchases
Once you have purchased a digital game through the Nintendo website, your game will download to the console that is associated with your Nintendo Account.
To complete the automatic download, your system must meet the following requirements:
The Nintendo Switch console must be the primary console for the Nintendo Account that was used to make the purchase.
The Nintendo Switch must have an active internet connection.
The Nintendo Switch must have enough memory space available for the game.
The console must be turned on or in sleep mode when you redeem the game.