Registration (session selection) for workshops and tutorials is available at https://emceurope2023.org/workshop-registration/. You must register for the session for which it is required (mostly organized in rooms with limited capacity or for a small grups of attendees).
In other cases, your registration will provide information for the Workshop and Tutorial organizers about your interest in participants.
To register or indicate your preferences you just have to select the session you are interested in, enter some of your personal data including your registration number and submit the application.