Microsoft uses now, apparently, a process called 'Digital Entitlement' which is stored in the BIOS so if you replace your Motherboard, for example, your 'Digital Entitlement' will likely disappear and Windows 10 won’t activate. In Build 10240 if you use the PowerShell script from the Hexus forums on Windows 10 Pro it should fetch this: T44CG-JDJH7-VJ2WF-DY4X9-HCFC6.

Based on the long history of activation horror stories. sebelum we dive into the Windows 10 Pro product upgrade, here're some free keys you can use. Windows 10 Pro build 10240: VK7JG-NPHTM-C97JM-9MPGT-3V66T Source: Window 10 Product Key Step 2: You right-click on the start button and open Command Prompt (Admin). For longtime Windows users the absence of product keys in Windows 10 digital installs is a relief and at the same time a little worrying. But if you already have an OEM key for Windows 10 Pro, just follow the steps below to find out how to upgrade and activate your Pro system: Windows 10 Pro Upgrade Key-Steps to Take. The key Windows 10 Pro users will see in KeyFinder or Belarc Advisor: VK7JG -NPHTM-C97JM-9MPGT-3V66T. One way to do this is to pay for a Windows 10 Pro upgrade. PC World have highlighted that in Windows 10 utilities like Magical Jelly Bean Key Finder or Belarc Advisor find generic product keys instead of authentic ones. The only way to do this successfully is to use the upgrade option from the downloaded software using the Windows 10 Media Creation tool. If you are trying to upgrade to Windows 10 from Windows 7 or 8 and try to do a clean install from the media created ISO you will find you need a product key which you don't have.

Windows 10 pro 10240 product key