I am not a lawyer, I do not know the law of the europen union in this matter. I mean using this program on a website ... not modifying and selling ... or something like that. Certainly 99.9999% is legal that a person who has this plugin can install it on the site for a fee. Assuming she acquired...
Sorry for language mistakes.
I have the option to buy the plugin to Wordpress (computer program extended functionality of Wordpress ). I would buy the program from a third person, not from the original plug-in developer. I only Buy plugins without a "license key" without the possibility of...