By visiting the Activity section of your Event, you'll be able to see every person that has ever registered for this webinar.

The data can be filtered by Session or by date range across multiple Sessions.

You can search for an individual Registrant by name or email with the search box.

Once you find the person that you're searching for, just click on the name to see their full information.

Here, you can see the Registrant's Activity Log and Unique Join Link, which includes information as when they registered, if they added the Event to their calendar, if they unsubscribed from the emails, if they attended/missed the Session, and if they viewed the Replay (for live Events). You can Cancel Registration or Send Event Details in an email from here as well!