First add the item you purchased to the shopping cart.
Then your shopping cart will show you the goods you bought. Click "CHECK OUT"
Then on the right side of the settlement page, you can fill in the discount code.
Congratulations, you have already completed the use of the discount code, I wish you a...
CLICK "CHECK OUT" Button.
Then go to the settlement page, you need to fill in the settlement related information, of course, if you have a discount code, you can also use this page， CLICK "CONTINUE TO SHOPING METHOD" BUTTON
On this page you can see your shipping related information.CLICK "CONTINUE TO PAYMENT METHOD" BUTTON