
_ Power to the Developer! MSI GV72 - 17.What a signature means: The signature means that the program hasn't been tampered with after being signed. Since you previously had Windows 10 installed and activated on that PC during the installation process skip the steps which ask for a product key and select the option 'I am Reinstalling Windows 10 on this PC', and activation will not be an issue, your PC will have a digital entitlement stored on the Microsoft Activation Servers If you are about to re-install Windows 10: Is the correct Edition of Windows 10 listed there that matches the previously installed Edition? If you have already re-installed Windows 10 and you have an activation error, please check you have installed the same edition - go to Settings - System - About. You do not need a product key to re-install Windows 10, as long as you re-install the exact same Edition of Windows 10, your licence will be unaffected and Windows 10 should self-activate without any user interaction. Best regards, Andre Da Costa Independent Advisor for Directly If you do need to reactivate, and Internet activation is not working, you can use your Windows 7 product key. If you really don't need it, because the hardware already has the signature. The key is just the default diagnostics key. There is no need to know or get a new key, but if you have issues with Digital Licensing or the Activation Troubleshooter, you can utilize an existing Windows 7 or Windows 8/8.1 product key you already own to reactivate if necessary.


You will prompted to enter a product key a couple times through the installation, click I don't have a key and Do this later. The Windows 7 or Windows 8 genuine license you were previously running will be exchanged for a diagnostics key.Īnytime you need to reinstall Windows 10 on that machine, just proceed to reinstall Windows 10. When you upgraded from a previous version of Windows or receive a new computer preinstalled with Windows 10, what happened is the hardware (your PC) will get a digital entitlement, where a unique signature of the computer will be stored on Microsoft Activation Servers.


My name is Andre Da Costa an Independent Consultant, Windows Insider MVP and Windows & Devices for IT MVP.
