The email you have here as a forum member is not showing any past orders.
Please provide the email you used when ordering Pro in a private reply, and I will deactivate the active license here in our admin and you can try activating it again on your website.
I think the translation may be making this difficult.
When you enter your key in those empty fields shown int he screenshot, are you able to activate your license now?
Or is it still not able to be activated?
I do not understand what you need.
I deactivated the license on this end.
I do not know what you are asking about changing your host— I cannot help with host changes.
Are you still not able to activate the license?