To apply a promo code to an order on Proboardshop.com, you will first need to browse the website and select the items you wish to purchase. Once you have added the desired products to your shopping cart, navigate to the checkout page. On the checkout page, there should be a designated field labeled "Promo Code" or "Discount Code." Simply enter the promo code in that field. After entering the code, be sure to click the button to apply it. The discount should be reflected in the total amount of your order immediately. If you encounter any issues while applying the code, you may want to double-check the expiration date and any specific conditions associated with the promo code. It is always a good idea to read the terms and conditions for the promo code to ensure eligibility. For further assistance, you can refer to the current web page for information.