You can level up your clubs to upgrade their stats by simply playing with your equipped club, all experience you earn from playing Career, Match, Tournament, or Clan modes also goes towards leveling up your clubs. You can also level up your clubs faster for Club Coins following the steps below.

  1. Select "Club" from the Main Menu screen. 
  2. Select a Club type, such as Woods
  3. Select your currently equipped club to see all the clubs of that type 
  4. Select the club you want to upgrade and choose "Level Up" 
  5. You will now see the stats that will be upgraded when the club is leveled up.  Now select Level Up, or Max Level Up if you have enough Club Coins to automatically continue leveling up a club to its max level.