Quikfynd didn't send me a license key after my subscription

Hi guys! I’m new here. I am really confused by the Quikfynd APP and they (the support team) just never respond to my inquiries. So, I have to seek help from other users.
I subscribed the Quikfynd Desktop and paid the $56.00 at 01/01 on https://www.quikfynd.com/. And, they just sent me an e-mail confirming that the order is succeed and giving me a order ID. When I installed their APP, I need a license key to activate it. But, I have never recieved such key. I cannot even find a place to log in on their website, so I just have no way to search what my license key is and where to find it. Can an one help me?
Sorry for my poor English.