I have purchased a theme but its showing invalid when verify

I have purchased a them, and I have downloaded it. Now I want to customize it and so I uploaded it in localhost. But I can not register the copy because username and certificate code is showing invalid, What should I do now?

Hi @selimuddin86bd,

Please contact the author of your purchased theme, the theme author will assist you.

How to contact an author to get support or for any technical query: