You can buy myClub Coins at the myClub Store which can be found in the myClub Main Menu. As payment method differs between platforms, you may be required to submit credit card details and/or restricted by age/parental settings.
・PS3, PS4: on selecting "myClub Store", you will be forwarded to the PlayStation®Store where you will make your purchase.
・XBOX360: on selecting "myClub Store", you will be forwarded to the Xbox Marketplace where you will make your purchase.
・XBOX ONE: on selecting "myClub Store", you will be forwarded to the Xbox Store where you will make your purchase.