How to redeem game codes on the Nintendo Switch 2

Once the eShop loads, look for the Redeem Code option in the main menu. On the Switch 2, this appears in the left navigation ...
The Sixth Axis

Nintendo clarify that physical Switch 2 Editions will be complete on card and not use download codes

Nintendo has clarified that physical versions of Nintendo Switch 2 Edition games will feature Nintendo Switch 2 game cards, and will not be an original Switch card and a download code. Various things ...