Supercharge File Manager Pro with the New Cloudflare R2 Addon 
You can migrate the license from your ‘My Account’ page. It is quite a simple and hassle-free method.
- Go to the ‘Active Licenses’ option in your ‘My Account’.
- Click on the ‘Deactivate’ button of your required site.
- Once deactivated, try to activate the License onto your required new site using the same License details.
And, you are done.
