If you have won a discount coupon and want to enjoy the event, you can validate it on the official event registration page.
1. Access the official page of the event
2. Click "Registration" at the top of the screen. See here how to register.
3. Fill in the requested data until the step "Payment"
4. Before entering the payment information, there is a field to insert the discount coupon and validate
5. Finish your application normally