STEP 1: Go to the MijnFortuna payment card page through the browser;STEP 2: Enter the card number, SeasonClubCards always start with FOR00... The card number of Fortuna Prepaid debit cards can be found on the front of the card;STEP 3: Enter the CVC (security code), this can be found on the back of both cards;STEP 4: Click the 'Link this card to my profile' button;STEP 5: Successful! You will now be linked to your payment card overview.