Windows 10: Change Product Key in Windows 10  

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    Change Product Key in Windows 10

    Change Product Key in Windows 10

    How to Change Product Key in Windows 10
    Published by Category: Installation & Upgrade
    31 Mar 2017
    Designer Media Ltd

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    How to Change Product Key in Windows 10

    information   Information
    Activation helps verify that your copy of Windows is genuine and hasnít been used on more devices than the Microsoft Software License Terms allow.

    Sometimes you may need to change the product key in Windows 10 if you used a generic key or skipped entering a product key during Windows Setup.

    This tutorial will show you how to change the current product key to a different product key to automatically activate your Windows 10 with instead.

    You will need an internet connection and must be signed in as an administrator to change the product key and activate Windows 10.

    Note   Note
    Starting in Windows 10 Insider Preview build 10565:

    Device activation improvements: Microsoft has received a lot of feedback from Insiders on making it easier to activate Windows 10 on devices that take advantage of the free upgrade offer to genuine Windows by using existing Windows 7, Windows 8 or Windows 8.1 product keys. If you install this build of the Windows 10 Insider Preview on a PC and it doesnít automatically activate, you can enter the product key from Windows 7, Windows 8 or Windows 8.1 used to activate the prior Windows version on the same device to activate Windows 10 by going to Settings > Update & security > Activation and selecting Change Product Key. If you do a clean install of Windows 10 by booting off the media, you can also enter the product key from prior Windows versions on qualifying devices during setup. Refer to the Insider Hub for more information on these activation improvements including requirements.


    CONTENTS:





    Change Product Key in Windows 10 OPTION ONE Change Product Key in Windows 10
    To Change Product Key in Settings

    1. Open Settings, and click/tap on the Update & Security icon.

    2. Click/tap on Activation on the left side, and click/tap on the Change product key link under Update product key on the right side. (see screenshot below)

    Click image for larger version. 

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    3. If prompted by UAC, click/tap on Yes.

    4. Enter the 25 digit product key number from the top of this tutorial for the edition of Windows 10 you have installed. (see screenshot below)

    Name:  Windows_10_Change_product_key-2.png
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    5. Click/tap on Next. (see screenshot below)

    Name:  Windows_10_Change_product_key-3.png
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    6. If Windows was successfully activated with the changed product key, then click/tap on Close. (see screenshot below)

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    7. You can now close Settings if you like.






    Change Product Key in Windows 10 OPTION TWO Change Product Key in Windows 10
    To Change Product Key in System Control Panel

    1. Do step 2 or step 3 below for how you would like to open System.

    2. Open the Control Panel (icons view), click/tap on the System icon, and go to step 4 below.

    3. Open the Win+X Power User Tasks menu, click/tap on the System icon, and go to step 4 below.

    4. If prompted by UAC, click/tap on Yes.

    5. Click/tap on the Change product key link under Windows Activation at the bottom. (see screenshot below)

    Click image for larger version. 

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    6. Enter the 25 digit product key number from the top of this tutorial for the edition of Windows 10 you have installed. (see screenshot below)

    Name:  Windows_10_Change_product_key-2.png
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    7. Click/tap on Next. (see screenshot below)

    Name:  Windows_10_Change_product_key-3.png
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    8. If Windows was successfully activated with the changed product key, then click/tap on Close. (see screenshot below)

    Name:  Windows_10_Change_product_key-4.png
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    9. You can now close System if you like.






    Change Product Key in Windows 10 OPTION THREE Change Product Key in Windows 10
    To Change Product Key by Running changepk.exe

    1. Press the Win+R keys to open Run, type changepk.exe, and click/tap on OK.

    2. If prompted by UAC, click/tap on Yes.

    3. Enter the 25 digit product key number from the top of this tutorial for the edition of Windows 10 you have installed. (see screenshot below)

    Name:  Windows_10_Change_product_key-2.png
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    4. Click/tap on Next. (see screenshot below)

    Name:  Windows_10_Change_product_key-3.png
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    5. If Windows was successfully activated with the changed product key, then click/tap on Close. (see screenshot below)

    Name:  Windows_10_Change_product_key-4.png
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Size:  17.7 KB






    Change Product Key in Windows 10 OPTION FOUR Change Product Key in Windows 10
    To Change Product Key by Running SLUI 3

    1. Press the Win+R keys to open Run, type SLUI 3, and click/tap on OK.

    2. If prompted by UAC, click/tap on Yes.

    3. Enter the 25 digit product key number from the top of this tutorial for the edition of Windows 10 you have installed. (see screenshot below)

    Name:  Windows_10_Change_product_key-2.png
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    4. Click/tap on Next. (see screenshot below)

    Name:  Windows_10_Change_product_key-3.png
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    5. If Windows was successfully activated with the changed product key, then click/tap on Close. (see screenshot below)

    Name:  Windows_10_Change_product_key-4.png
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Size:  17.7 KB






    Change Product Key in Windows 10 OPTION FIVE Change Product Key in Windows 10
    To Change Product Key in Command Prompt

    1. Open an elevated command prompt.

    2. In the command prompt, type the command below, and press Enter. (see screenshot below)

    slmgr /ipk product key number

    Note   Note
    Substitute product key number in the command above with the actual 25 digit with dashes product key number from the top of this tutorial for the edition of Windows 10 you have installed.

    For example: slmgr /ipk VTNMT-2FMYP-QCY43-QR9VK-WTVCK


    Click image for larger version. 

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    3. If successful, Windows will now be activated with the entered product key. Click/tap on OK. (see screenshot below)

    Name:  Windows_10_Change_product_key_command-2.png
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    4. You can now close the command prompt if you like.




    That's it,
    Shawn



  1. Posts : 4
    Windows 10 10158
       30 Jun 2015 #1

    The 10147 keys also work on 10158
      My ComputerSystem Spec


  2. Posts : 22,188
    64-bit Windows 10 Pro build 16241
    Thread Starter
       30 Jun 2015 #2

    Yep.
      My ComputersSystem Spec

  3.    16 Aug 2015 #3

    i cant see the p key
      My ComputerSystem Spec


  4. Posts : 22,188
    64-bit Windows 10 Pro build 16241
    Thread Starter
       16 Aug 2015 #4

    Hello sgtmale, and welcome to Ten Forums.

    If you upgraded to the free Windows 10 offer, then you won't have a product key available.
      My ComputersSystem Spec


  5. Posts : 875
    W10 pro x86 and Vista x86
       01 Jan 2016 #5

    Do I now have to phone MS to fix this...


    I've just tried to activate a new W10 install using my W8.1 (full) license key. Its failed with the message 'the key is already in use'.

    Its only now that I realise I should have deactivated the W8.1 key from its original installation first. That PC is now running W10 as well.

    Is there any way around this without having to call MS ?
      My ComputerSystem Spec


  6. Posts : 138
    Windows 10 Pro - 15063 / 7 Pro
       01 Jan 2016 #6

    I don't think so. A call to Microsoft is imminent.
      My ComputersSystem Spec


  7. Posts : 875
    W10 pro x86 and Vista x86
       01 Jan 2016 #7

    Hmm... I kind of thought as much

    Thanks.
      My ComputerSystem Spec


  8. Posts : 138
    Windows 10 Pro - 15063 / 7 Pro
       01 Jan 2016 #8

    Mooly said: View Post
    Hmm... I kind of thought as much

    Thanks.
    Sorry to be the bearer of bad news.
      My ComputersSystem Spec


  9. Posts : 875
    W10 pro x86 and Vista x86
       01 Jan 2016 #9

    Lol, its not your fault. I just assumed that I would be offered the choice to deactivate the original install when entering it on the new, or that the new would have automatically taken priority and deactivated the old.

    Oh well, it will give 'em something to do Probably one for tomorrow or next week.
      My ComputerSystem Spec


 
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