How to upgrade from Windows Home to Pro free Says Charles of Microsoft, From your Windows 10 Home running Version 1511, enter the Windows 10 Pro Default key under change product key.

Your Windows 10 product key may be necessary to unlock all features -- but it's not easy to find. Here's where to look for the product key (even if it's lost).

A funny thing happens when you look for a product key in Windows 10 after doing the free upgrade: You won’t find them. In Windows 10, utilities like Magical Jelly Bean KeyFinder or Belarc ...

While Windows 10 Home and 10 Pro will help you complete most tasks, Pro is slightly more advanced. In this guide, you'll learn how to switch from Home to Pro.

Want to reuse your existing Windows license key with a new PC? We explain how to determine if that’s possible.

There are two activation methods in Windows 11/10. The new Digital Entitlement and the usual Product Key Activation methods. This post throws light on the subject.

Microsoft will stop old Windows product keys from activating new Windows installs Windows 7 and 8 keys still seem to work for now, but that may be ending.

That answer assumes you have a Windows 10 Pro product key. If so, that key will work to perform an upgrade, because all Windows 10 and Windows 11 product keys are interchangeable.