1. Click your profile icon at the top right of the screen.
2. Click Admin centre.
3. Then click the Invite user button shown under your profile icon.
   The Invite user dialog box appears.
4. Enter the email address, first name and last name for the person who you want to invite.
5. If you want to add the new user as member of one or more groups, check the check boxes shown under Group as applicable.
6. Then click Send invitation.

You have now sent an invite. The person you have invited receives an email with a link to register their account.