I had Dreamweaver running on my computer then just purchased the license today. When I tried to start it after getting the license it just shows a dialog box that states "Dreamweaver has a problem and needs to close" Then that's it. I've reinstalled and clicked remove preferences. I'm on a windows machine and running WIndows 10. Thanks.
I am not sure if you are using the correct terminology. The only way to pay for Dreamweaver is to pay for a recurring subscription. Any other method would be for a perpetual licence, but that was discarded several years ago.
If you did indeed pay for a license, I would get in touch with the seller of the license for a solution.