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