[QUOTE=J.L.Miller;2617318]Presumably, the installed OS is legit, so take the explicitly straight-and-narrow route by calling Microsoft to find the installation key. Or use one of the several open-source utilities to extract the key from the existing installation.[/QUOTE]
Beyond whom own the O/S license. They the OP will need to take it back to the place they bought the re-conditioned laptop or contact the software manufacture as posted by the MOD and request help of removing the software in question at either location. Those are the OP options as of now and what they decide to do is their own choice.
[QUOTE=J.L.Miller;2617318]On the other hand, if the installed OS [I]isn’t[/I] legit, then either be an upstanding citizen and purchase a license, or use one of the “alternative” installation and activation methods that I’ve heard about (but, of course, would not ever personally exploit).[/QUOTE]
They why even talk about it??? Makes one think otherwise…There is only one way and that is the Microsoft activation.