Technical problem – Switching from the free to the pro version

Hi from France ! Following the purchase of the pro version, I have 2 problems: 1. I created a site with the free version of Photofocus Blocks. I then purchased and installed my new Photofocus Blocks Pro theme. In my admin, I find myself with 2 themes, 1 in the free version on which I built my site, and 1 in the Pro version, which is displayed as a new site to build (it did not replace my existing free theme). How do I proceed ? 2. When I enter my license number to activate the Pro version, a message tells me that the license does not match. Please process my request quickly, I am currently blocked in continuing the development of my website. Thank you. Alisson