Here are the steps on how to use Promo Code when shopping at beta.tome.app: You can view your existing Tome Promo Code by logging into your account, viewing your profile and clicking [My Card]. If the product you want to buy complies with the Promo Code rules of use, then you can add the product to your cart. Next, click on [Proceed to Payment], below the items listed, you will see a box that says [Add Coupon]; tick the Tome Coupon Code of your choice and automatically return to the checkout page, You will see that the actual payment total has been reduced.