For Desktop

When you arrive to your order Check out, see on the right side of the screen a section in light green. Place your code at the field that says "Discount" and click on "Apply". The discount would take effect on your order.


For Mobile

When you arrive to your order Check out, open your Order summary section by clicking on "Show order summary". Place your code at the field that says "Discount" and click on "Apply". The discount would take effect on your order.