1) Sign in to your account and click on “Your shop”.
2) Click on ‘Coupon Codes’ links which you will get in left hand side of your shop page.
3) Click on “Create New Coupon” button.
4) Filled all the credentials in “Create New Coupon” page and click on ‘Add Coupon’ button.
5) After this you will get the confirmation message regarding the coupon codes added successfully to your shop.