Other unknown person is using my genratepress

Hi there,

I am not sure what you mean ? Has someone copied your website ?

I have given someone to make my website but he last night downloaded my gp premium plugin from wordpress with the help of some tool. I want to disable the premium plugin which he will use

Aah ok.
Theres not much we can do from him using the plugin if he has installed it on to another site. You can check to see if he is using your license key by going to your Account > Downloads ( on this site ),
Click View Licenses under Purchase History.
Then Click Manage Sites.
Here you will see any sites that are using your license key.
If you see any sites you don't recognise then let us know.