Right, but you wouldn't want to do that anyway, because you can simply install Windows 10 directly and it will find your existing license online. As the articl

Right, but you wouldn't want to do that anyway, because you can simply install Windows 10 directly and it will find your existing license online. As the article states, you will then need to call Microsoft to transfer the license to the new hardware in order to activate. (Something you would have had to do even if you'd stuck with Windows 7.)