Your Windows 10 product key serves as proof that you actually own Windows 10, and might need to be entered when you reinstall or upgrade Windows.

Lost your Windows 7 product key? Use this quick guide to recover it from stickers, emails, tools, or Microsoft Support.

You might know your version of Windows (i.e., Windows Home or Windows Pro), and hopefully you knew how to get Windows for cheap or even free, but do you know if it ...

Greetings Arsians -- my first post here after a couple weeks of lurking..<br><br>First, by way of introduction, I'm an old school mainframe programmer, retired, then re-entered the workforce as a PC ...