(for Macs) USERNAME \ Library \ Application Support \ Steam \ SteamApps \ Common \ Football Manager 2012 \ Data \ db \ 1210
For Mac Lion users, the Library folder will be hidden so follow these steps to display it.
Remove the existing dbc, edt and lnc folder in the path displayed above which apply to your installation method before replacing them with the dbc, edt and lnc folder you download from the link.