The sortitoutsi real names fix changes the instances of fake names in Football Manager 2023 to the proper, real life names for awards, cities, stadiums and competitions, in cases where the actual name is not licensed, such as Premier League displaying instead of Premier Division. There's a workaround for that in the first post. Some of these changes, ESPECIALLY THE CLUB NAMES, do NOT apply in existing save-games.
This is due to the fact that some files which are removed when installing this file are automatically re-installed by Steam when official patches come out. This file will need to be re-applied if/when official patches/updates are released to ensure full compatibility. If you have any issues, first read the FAQ. Subscribe to this thread (by following these steps ) so you get notifications whenever a new version is released.