How setup license in Supro theme

Hello I bought SUPRO theme for magento, but is run the old CMS until I configure magento that runs in

After I installed SUPRO, I find the next issue : they ask for set the license in instead directly in my subdomain. But I can’t do this because I running the old CMS in the

Did any had this experience and teach me the easier steps to license for and my current subdomain.

Thank you in advance, Juan