1. In the event dashboard, click on the "Content" tab from the sidebar.
2. Click on the "Agenda" page.
3. Click on the "Edit" button placed on the session card.
4. Scroll down and expand the "Settings" tab.
5. Enable the "Allow Check-in" option.
6. "Once enabled, a 'Download QR' button will appear, allowing you to download the QR code that attendees can scan to check in to the session.