Step 1: Go to
PC
Koda: Izberi vse
Program Files \ Steam \ SteamApps \ common \ football manager 2013 \ data \ db \ 1300
Koda: Izberi vse
USERNAME \ Library \ Application Support \ Steam \ SteamApps \ Common \ Football Manager 2013 \ Data \ db \ 1300
Step 2: Delete the dbc, edt and lnc folders from the folder above
Step 3: Copy the dbc, edt and lnc folder from this download into the folder mentioned in step 1.
Step 4: Go to:
Koda: Izberi vse
Documents \ Sports Interactive \ Football Manager 2013
Step 6: Go back to the folder where you placed the file you downloaded and open the folder named "editor data files".
Step 7: Copy the 34 files in the folder from step 6 into the folder mentioned in step 5.