Only those registrations which were submitted prior to 2020 require validation, if you have registered since the start of 2020 your registration will remain valid unless you choose to delete this.
For those registrations submitted prior to 2020, the email will have been sent to the registered email address. Due to each email providers filtering systems we are unable to guarantee the delivery of emails, please do check your junk and spam folders! You can also review and confirm your registration details here using the registered email address.