Hi Lindi,
Thanks for reaching out!
The way QR Code check-ins work is that you first log into your WordPress site’s wp-admin with your administrator account before you start checking people in. So, for example, if you’re using a QR Code scanning app on your iPhone or iPad, you would go to your site’s wp-admin in the web browser on that device and log into your site as an admin.
Once logged in, then you can go back to your QR Code-scanning application and start scanning QR Codes. Upon a successful scan, the app will load a specific URL within your WordPress admin that—if you’re logged in an the ticket check-in is valid, which is determined automatically—will tell our plugin to check in the specific ticket.
I hope this helps! You can learn more about this process specifically in the “QR Code Check-ins” section of this page in our Knowledgebase → https://theeventscalendar.com/knowledgebase/managing-your-orders-and-attendees/#qr-code-checkins
Please let me know if this helps and if there are any other issues or questions I can try to help with!
— George