How can I deregister my theme?

I have purchased the BeTheme for one website, but I want to switch the theme to another website. I have deleted the theme on the first website and installed the theme on the second website. Now I get the message: Purchase code already used. Please deregister purchase code and remove theme folder on:… How do I deregister the thema on the first website when the theme no longer exist on that site? Can anyone help me?

If you don’t have access of old website wp-admin where the theme registered/activated then you have to contact theme author and request them to unregister/deactivate the theme license for the old domian/website.

contact theme Author and let them know How to Contact your purchased theme Author, theme author will be happy to assist you.