Since the game is over 15 years old, standard retail keys may not always work directly on modern digital launchers.
Here is the foolproof 10-minute process to get FIFA Manager 08 running with a working CD key. fifa manager 08 cd key work
: Verify if your disc or digital key is region-locked; keys purchased for one region may not activate if your system or account is set to another. Since the game is over 15 years old,
If you own a physical copy of the game, the CD key (serial number) is typically located in one of two places: : Printed on the back cover of the game manual. fifa manager 08 cd key work
Look for the "Resolution Tool" in the game folder to set it to 1080p.