I have a friend with a desktop machine that had Windows XP Pro on it. She formatted the drive with some other version of Windows, but not before I took screenshots of the original Windows XP product ...

If your Windows 10 product key is not working on Windows 11, check the Windows Edition, your activation status, and then ...

A: Ah, the venerable Windows Product Key. That 25-digit alphanumeric prize that marks the difference between a legitimate copy of Windows and one that Microsoft considers pirated. This little piece of ...

Dreamweever66 needs to reinstall Windows. He asked the Answer Line forum where he can find that 20-digit number that tells Microsoft he bought Windows. The fact that you have a Windows CD handy ...