To apply a valid coupon during the checkout process, locate the designated “apply coupon code” area in your cart. Once you’ve found it, proceed to enter the coupon code provided in the appropriate field. After entering the code, click on the “Apply” button or a similar option to redeem the coupon. The discount or offer associated with the coupon should then be applied to your total order amount. It’s important to note that coupon codes may have certain limitations and conditions, such as expiration dates, minimum order values, or specific product exclusions. Make sure to review the terms and conditions associated with the coupon codes to ensure it is valid for your order.