The way to send an invite to participants is to copy the link to the session or module and share it with your participants.

 Send the link (URL address) which will be copied to your clipboard when you click on the share session icon.

Or send the session ID, this is the name of the session.

When your participants click Log in on actee.com they can enter the session ID there.

Next, the participant can choose a guest name and start the session.