1. Log in to your account via the user portal and navigate to the Payment Methods section in the menu on the left side of the portal.
2. Here, you can see any vouchers in your account. To redeem a new voucher, click Do you have a voucher? Redeem it here.
3. Simply enter your voucher code and click Activate. You will be able to see the added voucher credit in the main Payment Methods page in the user portal.