4.You do not need to remove the free version of the plugin. Everything will be ported over to the PRO version.
5. If that does not help, then, please record a video screencast using a tool like Loom and share that along with your WordPress login details by editing the first post on this ticket and adding that information in the designated Sensitive Data section.
It is completely secure and only our support staff has access to that section. If you want, you can use the below plugin to generate a temporary login URL to your website and share that with us instead: