Hi Mort,
Thanks for taking the time to reach out to us here! If your site is currently set up with one or more active premium licenses, you can set up a new account with us, purchase new licensing, and replace your existing license activations without affecting any of your events or settings. Simply enter your new license keys in place of the existing ones in your plugin settings (under Events > Settings > Licenses), and you’ll be all set! For more information on how to find and input a license key, check out our Knowledgebase article here:
https://theeventscalendar.com/knowledgebase/finding-and-inputting-your-license-key/
I hope that helps to get you on your way! 🙂 Thanks again, and let us know if you should have any other questions or concerns!