

you have a Volume Licensing agreement or a MSDN subscription.your Windows 10 came pre-installed on a physical device,.purchased either a hard copy or a digital download of Windows 10 from an authorized retailer,.You will need your product key to reinstall Windows 10 should any of these scenarios apply to you: Windows 10 activation: who needs a Windows Product Keyĭepending on how you obtained your copy of Windows 10, activation will use either a digital entitlement or a 25-character long Windows Product Key. Should you ever need to get a hold of your Windows product key or the serial number of any of your software, you can retrieve this from your existing, legitimate installation of Windows in not time flat.

Better still: you can even retrieve the serial numbers you lost track of. Have you lost your Windows 10 Product Key? Here is how you can get it back with just a few easy steps.
