If you have a coupon code for a discount you can use it in one of the next steps:
1. On the cart page #
Open the cart page and find the “Coupon code” field. Enter the code here and click on the “Apply coupon” button.
2. On the checkout page #
On the checkout page find on the top find the message ‘Have a coupon? Click here to enter your code” and click on this link. Then enter the code and click on the “Apply coupon” button