There are only three things you need to do to turn your event into a virtual one.
Enable Event Livestreaming https://intercom.help/connect-space-inc/en/articles/4009734-event-livestream
Enable Session Livestreaming https://intercom.help/connect-space-inc/en/articles/4009779-session-livestream
Enable Video Meetings. On the left navigation bar, click Event Settings, the click Event Options, then click Enable Video Calling on Meetings. Remember to click Save.