

So if you modify too many components directly then attempt to reinstall Windows 10, you’ll run into problems. The one thing to keep in mind is that your digital entitlement is predicated around your system configuration. Instead, after the reinstall, Windows will activate seamlessly within the background within a couple of hours (or, at the worst, a couple of days).
#Find office 2016 product key in registry install
So if you ever got to do a fresh install from a USB drive, for instance, you’ll not need to activate your PC. the great thing about this technique is there’s no product key to lose. Microsoft keeps a record of your right to run Windows 10 on its servers if your PC features a digital entitlement.

If, however, you obtained Windows 10 by buying a replacement PC, buying a Windows 10 installation DVD, or buying a digital copy of Windows 10 from a retailer that’s not the Windows Store, then you’ve got a standard product key, not a digital entitlement. You’ll even have a digital entitlement if you purchased a Windows 10 upgrade via the Windows Store or did a fresh install of Windows 10 then purchased it via the Windows Store. You’ve got a digital entitlement if you upgraded your PC from Windows 7 or 8.1 for free. With Windows 10, Microsoft introduced a replacement method for authenticating the OS called a digital entitlement, but it doesn’t apply to all or any Windows 10 PCs. If all else fails, you’ll get to contact Microsoft to get a replacement key. For Microsoft Office, you’ll find the sticker on the installation disc that accompanied the pc. If your computer came preloaded with Microsoft Windows, the software package key’s usually on a colorful, Microsoft-branded sticker on your PC case. Also See: Apple's Find My network could exploited to send messages
