Do not download "DLC" files promising new stadiums or boots for FIFA 23 Switch. These do not exist. Any file claiming to add PS5 features is a virus or a mislabeled mod.
The game requires a download of at least 14GB via an internet connection. A MicroSD card may be required depending on your console's storage capacity. EA SPORTS FIFA 23 Switch NSP UPDATE DLC
These are often distributed as "DLC-style" mod packs but are . Do not download "DLC" files promising new stadiums