To edit the general settings go to Club Manager Settings.
Choose your sport. Your choice of sport will ensure that the correct preset player stats and sport specific match functions are available.
Choose your default club. If you have already created your club then select that club from the dropdown box. This is your club. If you have multiple teams they will all be part of the club your choose here.
Choose your base country. The selected country will be the default choice on player and staff profile pages, saving you a little time when compiling profiles.