How do I use a promo code? 08 March 2023 10:34 Updated In your cart, enter your coupon in the box "Enter Coupon Code or Loyalty Voucher" and click apply. Related articles Why doesn’t my promo code work? How do I get a promo code? How do I use a reward? How do I use a gift card in your retail shops? How do I use a gift card on your site? Comments 0 comments Article is closed for comments.