Help me unistall my laptops product key and install it on a new pc please

[Eduardos Secret]

I need help to install my windows 7 key onto my pc which has no operating system off my laptop.

 

[USAFRet]

I need help to install my windows 7 key onto my pc which has no operating system off my laptop.

Did the laptop come with that OS already installed? If so, it is almost certainly an OEM version, and cannot be used on a new build.