1. Press the Stadium button in the main menu screen of the game.

2. Choose the building you want to upgrade.
-STADIUM: Provides basic seats with an initial spectator capacity.
- SEAT: Increases the stadium's capacity.
-SCOREBOARD: Increases attendance to matches.
- LIGHTING: Increases attendance to matches.
- TURF: Improves the grass quality and reduces the probability of injuries.

-TRAINING GROUND: A place for players to exercise, increases the efficiency of training and produces energy packs.

-MEDICAL: Reduces the risk and recovery period of injuries and produce recovery packs.

-YOUTH CENTER: Help your club attract and train new young players you can sign a contract with.

-FACILITIES: Increases the attendance for matches and produce Moral packs.

3. You first need to upgrade all buildings to level 1 before you can upgrade any other to level 2. Then you will need to upgrade all levels to level 2 before you can upgrade your buildings to level 3, and so on.