You can change the email address on your Rec Room account by going to the Settings section on rec.net. First, log in to rec.net, then click on your Profile (this is the round button on the top right with either the Rec Room logo, or your profile pic). Once your Profile has loaded, click the gear button to get to the Settings, and then click Email. You can enter your new email address and you will be sent an email to confirm the change.
If you are having trouble with this, please contact us!