The game comes directly from Nintendo eShop, you will be able to go online, get updates etc.
After setup process the game will be available to launch on your own account, just as any other game or app you purchased directly in Nintendo eShop.
Powered by Football™, EA SPORTS™ FIFA 22 Legacy Edition on Nintendo Switch™ featuring the latest kits, clubs, and squads from some of the top leagues around the world. It will also feature some of the world’s most famous stadiums, including some brand new to FIFA 22. Gameplay features and modes will have parity with FIFA 21 on Nintendo Switch.