1.First, you need to head to your user page, after that you should press on "Wallet", then "Coupon"
2.After pressing on "Coupon" text, the coupons page should appear. Now you should just press the "Activate Coupon" button and from now on, you will see field where you should type the coupon code that you want to activate.
3.Then just press on "activation" and you're done!
