Open the command prompt as administrator (when opened as admin the prompt will be at "c:\windows\system32").Ģ. Now activate Windows 8 new product key in command prompt:ġ. If your vendor cannot solve your problem, then you should go to Microsoft support and ask them for Windows 8 replacement product key. Is it Windows OEM version? If it is, you have to call the support department of your PC vendor first. But at first you have to make sure Windows 8 version you are using. If the above couldn't help you, we need to ask for Windows 8 replacement product key from Microsoft.
Option 2: Find Windows 8 new product key from Microsoft Press the "Cancel" button to avoid making changes to the value. Right-click the ProductId key and select Modify. This holds several Windows settings for your machine.Ĥ. Navigate to the " HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion" key in the registry. Enter Regedit into the text box displayed and press OK button. Option 1: Find Windows 8 product key in registryįrom the above introduction, we know Windows product key is saved in registry, so we open registry now to view Windows product key.Ģ.
So now see three options on how to find Windows 8 or Windows 8.1 product key from BIOS and registry? In Windows 8 or Windows 8.1 computer, product keys are saved in the registry and evaluated each time you load a Windows update.
There is no sticker available on computer listing product license key. It is known that Windows 8 is different from previous Windows operational system. If forgot or lost Windows 8 or Windows 8.1 product key, how could we find it? Microsoft is researching this problem and will post more information in this article when the information becomes available.How to Find Product Key for Windows 8 or Windows 8.1 If you select to either "Refresh your PC without affecting your files" or "Remove everything and reinstall Windows" at a later date, you must reinstall KB 3058168 and use the following workaround in order to reactivate the system:Ĭscript.exe %windir%\system32\slmgr.vbs /rearmĬscript.exe %windir%\system32\slmgr.vbs /ato
To install Windows 10 Professional, you must purchase the full version of Windows 10 Professional that has its own product key. This process works only for Windows 8.1 Home edition. This process does not work for Surface 3 devices that ship with Windows 10 Home edition installed if you try to install and activate Windows 8.1 Professional. To fix this problem and activate Windows 8.1, install the following hotfix:ģ058168 Update: activate Windows 10 from Windows 8 or Windows 8.1, and Windows Server 2012 or Windows Server 2012 R2 KMS hosts
This problem occurs because the device was shipped by having Windows 10 Professional preinstalled, and the product key in the image doesn't recognize the Windows 10 product key that is embedded in the firmware. If you run the Cscript.exe %windir%\system32\slmgr.vbs /dlv command, you get the following result:
This code indicates that the activation server determined that the specified product key is blocked. The Error Details link displays error code 0xc004c0033. You might need to get in touch with the store or company you bought Windows from, or you can buy a new key from Microsoft.