Windows 10: Did a fresh install of windows and now it is saying product key was already used on another...

As the title subject title says, i did a fresh install on my computer and then added windows 11 pro i bought. it now says '' We can't activate windows on this device because this product key was already used on another device. If you think it wasn't used on another device, select troubleshoot below. Error code: 0xC004C008 ''i ran the troubleshooter and to no avail, please i need helpbelow is a screenshot of CMD slmgr /dlv

:)

 

Windows product key/Fresh install

Hi,

To assist you better, kindly write back to us with the following information.

• How you have installed windows 10 in your system, i.e., through windows upgrade or through clean installation.
• When you say "unable to repair the software", how exactly you are trying repair the system?

If the Windows 10 was activated before the system crash happened, in such cases if you create a bootable Windows 10 drive and try to do a clean installation, it won’t ask for the product key. Once the installation is done, Windows 10 gets activated automatically.

Follow the below link to download the Media Creation Tool.

Download Windows 10

After downloading the Media Creation Tool, refer to the section Perform a clean installation using a USB or DVD under
Using the media creation tool section in the above given link.

As per your query, I like to inform you that; before performing clean installation of window 10, we recommend you to try repairing the system using Windows 10 installation media.



I suggest you to follow the below steps and check if it helps.

• Create installation media for windows 10.
  
  Refer to the below link:
  
  http://windows.microsoft.com/en-us/windows-10/media-creation-tool-install

• Insert the Windows 10 installation DVD in the DVD ROM and restart your computer.
  
• After you boot your computer using Windows DVD or System Repair Disc, a black screen appears with gray text "Press any key to boot from DVD". Press any key.
  
• Select the correct time and Keyboard type.
• Click Repair your computer in the lower left corner.
• Follow the on screen instruction.

Hope the information helps. Kindly write back to us for further assistance on Windows. We will be happy to assist you.



Thank you.

 

Installing Windows 10 using Windows 7 key

Nope, you need to install Windows 10 first and make sure the Windows 7 key is transferred to your Windows account after you've installed Windows 10 (not quite sure how that works). I missed the last step and I could not activate Windows 10 after a re-install... Microsoft seem to have done everything they can to make it a PITA. Also, it's technically too late to do this now anyhow, as the upgrade offer has expired. But KMSPico works quite well...

As for getting rid of Windows, delete the Windows folder.

 

windows xp installation and dual core am

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