After your order has successfully completed, an order confirmation email will be send to your registered email address. In some cases there can be a short delay (+/- 1 hour) until you receive the confirmation email. Also, please check your spam folder in case you didn't receive the order confirmation email.
In case you didn't receive the order confirmation email, please check if your order is shown in your account: How to access your ticket(s).
If you made a mistake with your registered email address, please also update your email address in your account settings.