The Nintendo Switch 2's day-one update is crucial as the console's functionality out of the box is minimal to prevent leaks ahead of time.The Version 20.1.1 update for the Switch 2 enables support for Switch 1 games, virtual game cards, the Nintendo eShop, and more.The day-one update essentially turns the console on and adds features like 'Nintendo Switch Online' and 'use of Nintendo Switch Software'.Users will be prompted to update their consoles during initial setup for a seamless experience.