Good evening Catherine and welcome to the Events Calendar Support forum!
Thank you for reaching out to us.
We are sorry to hear about the struggles you have experienced while simply attempting to purchase Event Tickets Plus. Yikes!
I would love to help you with this topic.
Our apologies for that, it does seem like something went wrong in the process.
The good news is that I just fixed the license for you.
Normally, you should be able to find what you are looking for here.
Let me know how that goes.
Best regards,
Geoff B.