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How to Transfer your Windows 10 License to a New Computer

Windows 10 Product ActivationDepending on the type of Windows 10 license you have installed, you might be able to transfer it to a new computer, if needed. Over the years, Microsoft has distributed its desktop operating system through different market channels. New computers will often come preinstalled with an OEM license. There are many other channels Microsoft distributes Windows in, these include: Retail, Volume License, Academic, and subgroups such as Upgrade licenses.

In 2015, Microsoft launched its latest version, Windows 10, offering the operating system to qualifying PC’s and devices running Windows 7 or Windows 8 for free, for a limited time. Microsoft continues to provide Windows 10 as a full retail product for computers without a qualifying license or for people who build PCs.

Determine if your Windows 10 License can be Transferred

Find out what type of license you have installed

Microsoft describes the Windows 10 free upgrade as a full version, not a trial. Contrary to these statements, Windows 10 free upgrade does have some restrictions.

  • If you upgraded from a retail copy of Windows 7, Windows 8 or 8.1, the Windows 10 license carries the retail rights from which it was derived – can be transferred. But under Microsoft’s rules, you are only entitled to a one time transfer.
  • If you upgraded from an OEM Windows 7, Windows 8 or 8.1 license, these are licenses that come preinstalled on a new computer from a manufacturer, and then your Windows 10 license maintains the OEM rights – cannot be transferred.
  • If you have a full retail copy of Windows 10, you can transfer it as many times as you want.
  • If you performed an Easy Upgrade to the Windows 10 Pro Pack from Windows 10 Home, you can transfer it using Digital Licensing. This is possible because the Pro Pack, while an upgrade, is a retail license attached to the Microsoft Account used to purchase it.

We discussed these nuances in our Windows 10 editions article; with the release of Windows 10 November Update, 1511, Microsoft made modifications to the channel license. Previously, you could identify the channel from which, the license was derived by issuing a particular Windows command. The November Update, now describes all licenses upgraded, whether full package or OEM as retail. Even though your free upgrade to Windows 10 from an OEM Windows 7 or Windows 8/8.1 is now identified as retail, in spirit, it is still an OEM license.

This affects the rights to what you can do with the license. If it’s retail, you can continue to make hardware modifications to your system such as changing the motherboard or move it to a different computer. For an OEM version, if you change the motherboard, automatically, your free upgrade will be invalidated; meaning, you will have to purchase a new full retail Windows 10 license.

With the release of Windows 10 Anniversary Update, Microsoft has made further improvements to transferring your license using the Digital License feature. This is one option users should look into first when transferring a license, check out our article for details about how it works.

Remove the License then Transfer to Another Computer

To move a full Windows 10 license, or the free upgrade from a retail version of Windows 7 or 8.1, the license can no longer be in active use on a PC. Windows 10 does not have a deactivation option. Instead, you have two choices:

  • Uninstall the product key – this is the closest to deactivating the Windows License. This method does not inform Microsoft Activation Servers the license is no longer in use on the machine; instead it will avoid conflicts down the road if Microsoft Activation Servers were to detect the license in use on more than one system.
  • Format the computer – this method ensures the license is no longer in use on the computer. You can use the convenient Reset option in Windows 10 do this.

Uninstall Windows 10 Product Key

Press Windows key + X then click Command Prompt (Admin). At the command prompt, enter the following command: slmgr.vbs /upk.

This command uninstalls the product key, which frees the license for use elsewhere.

Move License UPK

You are now free to transfer your license to another computer. Since the release of the November Update, Microsoft made it more convenient to activate Windows 10, using just your Windows 8 or Windows 7 product key.

When prompted during setup for a product key, click I don’t have a product key. If you have a full version Windows 10 license bought at a store, you can enter the product key.

I dont have key

Select the Edition You’re Licensed for

Windows 7 Starter, Home Basic, Home Premium, Windows 8.1 Core: Windows 10 Home

Windows 7 Professional, Ultimate, Windows 8.1 Pro: Windows 10 Pro

I dont have key 2

Windows 10 setup, will prompt you again for a product key during the Out of Box Experience, click Do this later if you are using a Windows 7 or Windows 8/8.1 product key. If you have a full version Windows 10 license bought at a store, you can enter the product key.

 oobe 2

How to Reactivate the License

Once you arrive at the desktop, you will need to re-enter your product key. You can do this multiple ways, lets try the easiest method first.

Click Start > Settings > Update & security > Activation > Change the product key. Enter your Windows 7 or Windows 8.0/8.1 product key then click Next to activate.

The other option is to enter the key from the command prompt, press Windows key + X then click Command Prompt (Admin). Use this option only if you are experiencing difficulty doing so from within Settings.

At the command prompt, enter the following command: slmgr.vbs /ipk xxxxx- xxxxx- xxxxx- xxxxx- xxxxx. Hit Enter on your keyboard; you will receive a confirmation the product key was updated. Close the command prompt then proceed to reactivate by telephone or Contact Support.

Install Product Key

Because the Windows 10 license was previously in use on another computer, you will need to reactivate by telephone or use Contact Support. Press Windows key + R then type: slui.exe 4 then hit Enter on your keyboard.

Note: If the slui.exe 4 command does not work, type slui instead, then hit Enter.

activate phone 1

The activation wizard will launch. Choose your country and click Next.

phone activate 2

Call the number on the Activation screen or launch Contact Support then explain your situation to the Microsoft Answer Tech; provide the Installation ID on screen.

reactivate 11

The agent will verify your product key, then provide a confirmation ID for reactivating Windows 10. Review our article for complete instructions how to get your license reactivated.

phone activation 3

If you purchased a Windows 10 Pro Pack, you will need to sign into your Microsoft account in order to reactivate using Digital License. A very exhausting procedure, I know, but it works smoothly especially with the new chat support option in Windows 10.

More Reading:


86 Responses to How to Transfer your Windows 10 License to a New Computer

  1. mjauch February 2, 2016 at 9:50 am #

    Excellent description, just read carefully and slow. It means that OEM windows 7 versions can indeed be transferred to another computer as long as the license is removed (with slmgr.vbs /upk in admin mode) from the previous computer.

    • Andre Da Costa February 2, 2016 at 3:10 pm #

      Actually no, OEM licenses are tied to the computer they preinstalled on or installed on first. OEM licenses upgraded to the free version appear as retail, but they still maintain their OEM status and restrictions.

    • Steve Krause February 4, 2016 at 9:20 am #

      Negative… OEM Licenses are Tattooed onto the machine. Cannot be moved and always grants a license to THAT HW..

      • Gerald Knott July 26, 2016 at 9:17 am #

        As an IT support person who does this for a living, I can say Mr Krause’s statement is totally wrong. No, an OEM license is not and has never been “tattooed” to a specific machine.

        Up through at least Win XP, an OEM version of Windows could be reinstalled and activated on ANY machine from the same vendor (Dell, HP, etc) regardless of what OS was originally installed on that machine. For example, a Dell OEM version of Win XP could be installed on a Dell system which originally came with Win 2000 (or even Win 7). The new XP installation would activate and be completely legal.

        Beginning with at least Win 7 (I never worked with Vista, so can’t speak to that OS), an OEM version could still be installed and activated on any machine from the same vendor ONLY IF said machine came with Win 7 in the first place. For example, if you install an OEM version of Win 7 on a machine by the same vendor which originally came with Win XP it won’t work. Actually, the installation itself works, but it will never activate. Instead, you’ll get the MS message telling you it’s not a genuine copy.

        I’ve done all the above many times at work and on my own machines at home, so I know this is accurate.

        • joanna November 21, 2016 at 1:38 pm #

          Gerald, I’m super computer savvy so bear with me. In May 2016, I purchased a DELL XPS 8900 that came installed with Windows 10 (W10) Home. In Aug. 2016, I purchased a DELL Inspiron 3558 that came installed with Windows 7 or 8 (I think Windows 7). Question:

          – Can I install W10 on my new Inspiron using the W10 product key from my XPS 8900?

        • thranx November 22, 2016 at 4:57 pm #

          OEM Licenses are attached to the hardware with which the license was purchased. End of story. Just because you CAN install it elsewhere and get it to activate, doesn’t mean that’s keeping within the license.

        • HonestAbe December 7, 2016 at 12:47 pm #

          Everyone who has ever been paid to perform some task on a computer calls himself a professional. Your words define you as a professional thief.

          There are methods used to lock out the ability to re-use software. They become more advanced as time moves on.
          It all depends on what type of person you are whether or not certain installations will work and how you define those words.
          For instance, if your neighbor left a car parked with the door unlocked and the keys inside, you could open the door and turn the key and drive away.

          That is basically the discussion you are having here.

          Here are the rules for Microsoft software regardless of whether or not you are a proficient thief.

          Microsoft has always created a RETAIL VERSION OF MOST OPERATING SYSTEM SOFTWARE. That version is owned by the purchaser to the extent that it can be legally installed on a computer then removed from that computer and installed on a different computer. As long as the SINGLE LICENSE is never used in 2 places simultaneously then you are abiding by the agreement and not subject to criminal prosecution or civil suit.

          That is the deal. They paid to create it and market it and decided that for X dollars you could use it on any computer that would run it and MOVE it to a different computer.

          OEM is a different deal. They created a way to reduce the purchase of a new computer.

          Instead of $300 for a license to the OS, the OEM version can be had by various levels of builders for a wide range of prices which should be reflected in the total cost of the computer. Also, there are ways that certain versions of OEM software can be purchased and used if you follow the rules.

          Going into the deal, the buyer should be aware of the fact that ONE REASON THE PRICE IS LOWER is that the buyer has decided not to pay a premium for the license that allows installation onto a different computer.

          The OEM LICENSE LIVES AND DIES WITH A SINGLE COMPUTER and can never legally be installed onto a different computer.

          The OEM media can be used to install onto another computer that has an OEM license that matches the one required to activate that OEM version.

          It is perfectly legal to install Microsoft software onto any computer at any time. IT IS ONLY LEGAL TO ACTIVATE THAT SOFTWARE ON THE COMPUTER FOR WHICH AN APPROPRIATE LICENSE EXISTS.

          Recovery images can be a bit different than any of the above and it will depend on the particular media/vendor/license whether or not you can do anything other than recover the exact computer that it came with. The RECOVERY MEDIA description has been used for over 15 years now so the definition has changed over time.

          Basically you have to understand that no matter how you might feel about the price someone charges for a product that you are a criminal if you do not abide by the agreement.

          Just like you can steal your neighbor’s car if the keys are there and if you were to go someplace where you could not be found or changed the identification on the car you might live your whole life with that stolen car, it would never be your car and you are a thief regardless of if you get caught.

          • Tom January 4, 2017 at 6:14 am #

            This is how I understood the licensing of Windows Software but I have always wondered how this would relate to upgrading an OEM PC and what is defined as a ‘new PC’. I guess upgrades are fine as long as you do not upgrade the mobo. Anyone know more about this?

        • Steve Krause December 7, 2016 at 4:29 pm #

          At this point, I defer to Microsoft:

          The information there is pretty close to english. As I said, you cannot transfer an OEM license to a different computer.

          • vinchenzo December 20, 2016 at 9:39 am #

            done it lots of times for may years on may different pc’s that i repaired for a certain company

  2. Marc February 28, 2016 at 4:31 pm #

    Thank you for this article, it has made things much clearer. I have just one question though.

    When you say to enter the ‘product key’ into the command prompt (after having installed W10 on the new hardware), is this the same key as I originally used for W8.1?

    • Andre Da Costa February 29, 2016 at 6:23 am #

      Yes, enter your Windows 8.1 product key.

      • Raju September 19, 2016 at 6:00 pm #

        Hi… I just got my motherboard busted for my laptop, which was with Win 10 (free time). I was now forced to purchase a desktop and this comes with preinstalled win 8.1. The earlier device is listed in my microsoft account, but, MS does not have provision to get the download activated and state this device or add this device.

        Is there a provision to do it. Also, why my MS Office and all that I had purchased and reinstalled in this machine has not been added to my account. They were not purchased from the account but through another service provider.

        Appears account information captured is not constant and wastes lot of our time.

  3. Gordon March 19, 2016 at 6:22 pm #

    I have a slightly different problem. My old PC had a Win 8 Pro 32-bit O/S installed from a CD that I purchased directly from Microsoft (that purchase was for 2 CDs; one 32-bit and one 64-bit, with one Product Key for both). That upgraded to Win 8.1 for free. I then upgraded that to Win 10 Pro. I just purchase an Asus notebook that has the OEM Win 10 Home 64-bit O/S installed.

    As I am going to donate the old PC to a charitable outfit, I will reformat the HD, so that the existing O/S will not be included in that donation. And, as I don’t want to spend $200 to upgrade my Asus to Win 10 Pro, I want to transfer the Win 10 Pro O/S from the old PC to the Asus, and overwrite the Home version. But, I believe that I have two problems. One, how do I do such a transfer, and two, how can I change that Win 10 Pro O/S from 32-bit to 64-bit?

    All suggestions will be more than welcome.

    • Andre Da Costa March 24, 2016 at 9:24 am #

      Gordon, here is how you upgrade your new PC to Windows 10 Home.

      Upgrade to Windows 10 Pro using the following default product key:


      Review instructions how to perform an Easy Upgrade using the default key:

      After upgrading, proceed to enter the Windows 7 Professional, Ultimate or Windows 8 Pro product key.

      Click Start > Settings > Update & security > Activation > Change the product key

      Enter the product key, close then restart your computer, it should reactivate automatically.

      If you have problems activating, contact support:

      • Elvis June 21, 2016 at 3:11 am #

        Greetings Mr. Andre,

        This Win10 Pro product key can be use as real time pc upgrade to Win10 Pro, from any Version of Windows?


      • Heather November 19, 2016 at 6:16 am #

        omg u rock!!!!

  4. gus gusimio March 24, 2016 at 6:32 am #

    Your instructions are clear up to a point; however, starting with these statements, they are not clear:

    You are now free to transfer your license to another computer. Since the release of the November Update, Microsoft made it more convenient to activate Windows 10, using just your Windows 8 or Windows 7 product key.

    My response to the above:
    OK, I get the free to transfer part but the “how to” is quite vague. Moreover, Microsoft states one must be on the latest Windows 8.1 version (which is 8.1.1 or 8.1 update) to get the free upgrade. So, can you confirm the base Windows 8.0 retail key is all that is needed? Or would I need a Windows 8.1.1 key and will the procedure work “only” if I had upgraded to Win 8.1.1 before the end date to do so?

    My response to the below statement:
    OK, you go right into the setup. I assume this is a clean install of Windows 10 using the W10 ISO (or USB installer). In summary, are you implying one can transfer a license via a clean W10 install to a new computer “without” having to do a reinstall of the original retail OS? And, since my original retail OS was Win 8.0 (not 8.1.1) are you confirming that will work as described? Thank you.

    When prompted during setup for a product key, click I don’t have a product key. If you have a full version Windows 10 license bought at a store, you can enter the product key.

    • Andre Da Costa March 24, 2016 at 9:21 am #

      Both Windows 8.0 and Windows 8.1 product keys can be used to install and activate Windows 10. The same applies to Windows 7 keys.

      Prior to the November Update, the initial public release from July 2015 (build 10240) required that you have the qualifying Windows version (Windows 7 or Windows 8/8.1) installed. That is no longer the case with the November Update.

      Please note, this works from a clean install stand point, but if you want to transfer the license to a running computer running an existing version of Windows that is not activated, you will have to run the classic installer.

      Browse the Windows 10 install media, open the Sources folder then double Setup.exe.

  5. gus gusimio March 24, 2016 at 1:10 pm #

    Hell Andre,

    Thank you for your quick response and clarification. Now, I have one final concern about your statement regarding the November 2016 (or 2015?) release changes. Specifically, I just used the latest W10 media creation tool to download and create a USB installation disc; however, when I look at the digital signature, the date is October 29th, 2015, which means it it still a very early release. Now, can this edition be used as you described or does one need an installer version that was released after November 2016 (or 2015)? Thank you again.

    • Andre Da Costa March 24, 2016 at 10:01 pm #

      It was released in November, compiled in October.

      This has always been the case with versions of Windows.

      Windows 7 was released to manufacturing in July 2009, but did not reach shelves until October 2009.

      Windows Vista went RTM November 15th 2006, but did reach shelves until January 31st 2007.

      • gus gusimio March 25, 2016 at 3:16 am #

        Thank you Andre,

        I think you have effectively answered all of my concerns. Now, I will build my new PC and give it a try. However, if anything goes wrong, I’ll just grind through a reinstall of 8.1 update, upgrade to 10, and then clean install 10 again. I just hope MS lets me do tjis or I’ll be stuck on 8.1 update (which is really not a bad thing IMHO). Anyway, I’ll report abck within the next week and let everyone know how I made out.

        BTW, I can’t believe I really said November of 2016! I’m gonna blame that on my wife…

        Cheers and thank you!


  6. Chris March 24, 2016 at 1:38 pm #

    So here is what’s going on

    -I’m in the process of building a new PC
    -I want to use my step dads free upgrade to windows 10 that he has yet to activate on his laptop
    -I went through the process of putting the Windows 10 download onto a USB stick
    -After the process was done, the menu said I would need to activate Windows 10 via a product key if I wanted to install it on my clean build

    So my question is, is it possible for me to use my step dad’s product key on his laptop to activate windows 10 on my clean build? if so will it mess up windows on his laptop? if i can’t do either, is there a way to get a key for free? are there any options i’m missing?

    • Andre Da Costa March 24, 2016 at 10:03 pm #

      You can’t use the free upgrade from your Step Dad’s computer on your new PC. Your new computer requires an entirely new Windows 10 license. You can purchase a copy from or the Microsoft Store.

      The free upgrade for your dad’s PC is tied to it.

      The Windows 10 free upgrade only works on computers running a previous qualifying version of Windows, version 7 or 8/8.1.

  7. Greg March 29, 2016 at 9:36 am #

    Andre, Thank you for this page and all the information.

    I have purchased a laptop with Windows 10 Home, and I’d like to upgrade to 10 Pro. My previous laptop came with Windows 8 Home, and I purchased a Windows 8 Pro Pack to upgrade it to Pro. I later upgraded that machine to 10 (Pro). Can I deactivate the Pro Pack on the old laptop and use that product key to upgrade my new laptop to 10 Pro using the Pro Pack? I don’t mind wiping the old laptop.


    • Andre Da Costa March 29, 2016 at 12:23 pm #

      Unfortunately, a Windows 8 Pro Pack product key cannot activate Windows 10 Pro. You will need to purchase a new Pro Pack under Windows 10 Home.

  8. Greg March 29, 2016 at 12:41 pm #

    Actually it worked. I deactivated the 8 pro license on the old laptop, used the Microsoft products generic key to upgrade (but not activate) pro on the new laptop, then used my 8 pro pack retail key to activate and it worked fine. It’s a special projects pack direct from Microsoft though, so maybe it’s a special case. Everything was very seamless though which is great.

  9. Greg March 29, 2016 at 12:42 pm #

    Projects = pro (autocorrect fail sorry)

  10. Sandy April 15, 2016 at 3:33 am #

    Hi Andre,

    I have old laptop which I had bought with Windows Vista OS preinstalled. I had upgrade it with Windows 8.0 pro 32-bit (legitimate upgrade license key purchased from Microsoft) and later automatically upgraded to windows 8.1 pro (32-bit). The laptop is getting old now and I am thinking to buy new machine (laptop or assembled PC). Question is, can I install “Windows 10 pro update (64-bit)” (currently being offered free by Microsoft) on the new system using my windows 8.1 pro key? If ‘yes’, how should I proceed correctly, so that I don’t end up in mess. If I am able to build new system successfully, I plan to decommission old laptop or use it with Linux OS or so. So definitely I am not going to use current Windows 8.1 license on that laptop. Appreciate your help. Thank you.

    • Sandy May 1, 2016 at 10:09 pm #

      Hi Andre, any updates on this query? Thank you.

      • Andre Da Costa May 2, 2016 at 6:12 am #

        Hi Sandy,

        Sorry for the late response. The answer is yes. Starting with the Windows 10 November Update, you can now use your Windows 8/8.1 or Windows 7 keys to install and activate Windows 10.

        First install Windows 10 Pro, then skip entering the product key when prompted. When setup is complete, click Start > Settings > Update & Security > Activation > Change the product key, enter the Windows 8 key to activate.

        If you have problems with phone activation, contact chat support:

  11. Ray April 21, 2016 at 11:07 am #

    Hello Andre,

    Two questions…
    1. My company has 300 PCs with Windows XP Pro and want to upgrade to Windows 10 Pro.
    Do you recommend we purchase MPSA Windows 10 Upgrade Volume Licenses for 500 devices (with 200 licenses for growth)?
    We are hoping to use the Volume licensing as a better way for the deployment and maintenance of these computers. Are we correct in this assumption?

    2. We are in the process of purchasing 200 brand new PCs.
    Can use the spare 200 Volume Licenses to directly install Windows 10 on them without having to purchase these PCs with an OS?
    Getting the new PCs without an OS cuts down the price significantly and since we would have spare Volume Licenses, shouldn’t Microsoft allow us to use these licenses on new systems?

    Thank you.

    • Andre Da Costa May 1, 2016 at 7:47 am #

      Volume License is definitely the right choice for your licensing compliance.

      Please note that Volume License Windows is actually an upgrade, which means, the computer must properly licensed with qualifying license. I believe Windows XP Professional under Volume license is still qualifying. It should always be a premium business SKU in the Pro or Ultimate family depending on the version of Windows you currently have deployed.

      As I noted, Windows under volume license is not a full license. So you cannot a spare key to perform a new installation. You would need a GGOK which is a full version volume license which permits clean install:

      I would also recommend you check the Volume License Advisor page:

  12. Nick April 23, 2016 at 6:12 am #

    Hi Andre,
    Several months ago I updated my old custom built pc that was running a retail copy of Win 7 home to win 10 home. I now want to retire that pc and transfer the Win 10 license to a new pc that I’m building. However, I cannot find the product key of the original Win 7. Since the Win 10 should have inherited the retail rights of the original retail Win 7, can I now transfer the Win 10 license to the new pc build? If so, how do I do it?

  13. Hamee Kohandi April 30, 2016 at 9:54 pm #

    Hi Andre,
    For the installation ID do we use the one in the screenshot if not how do I access the installation id?

    • Andre Da Costa May 1, 2016 at 7:38 am #

      No, you must use your own installation ID. One will be generated when you open the activation wizard using the instructions provided:

      Windows key + R
      Type: slui.exe 4
      Hit Enter

  14. Tim May 21, 2016 at 12:46 am #

    Hi Andre,

    I have already used my retail Windows 8 to 10 free upgrade. I am looking to build a new computer later on this year (Septermber-ish) and wanted to know what the process is to transfer my license across as it will most likely be after the upgrade offer ends (29th July 2016).

    Do I follow the above instructions as my retail key is already associated with a Windows 10 upgrade? Or does my license transfer only apply before the offer ends?

    I’m assuming I can do it whenever I like as I have already associated my key with Windows 10, but wanted to be sure.

    • Andre Da Costa June 1, 2016 at 9:43 pm #

      Right now, rights are prior to July 29th. After July 29th, the license will be attached to the machine permanently.

  15. Adrian May 22, 2016 at 11:47 pm #

    Hi Andre,

    I have Windows 7 Pro (Technet/Bizspark/MSDN version) running on my computer right now. I am going to buy a new PC with all new hardware in July, however I may have to wait until August, which is after the July 29 Windows 10 upgrade deadline.

    Would I be able to upgrade my Windows 7 to 10 on this current machine (to reserve my license), then, install Windows 10 on the new PC and use my Windows 7 serial key and transfer the Windows 10 license over to this new PC?


  16. Terris May 24, 2016 at 12:05 am #

    Hi Andre,

    I have several Windows 7 Pro licenses but only one is installed and running. I want to upgrade those keys to Windows 10 for future use. As I know that the free upgrade program will expire after July. Can I install multiple Windows 7 Pro on the same PC or on the VM and upgrade them to Windows 10. After July I transfer those licenses to the new machines?


  17. Russ June 1, 2016 at 2:16 pm #

    I have a question. I bought Windows 10 for my new PC build, no other version of Windows was on this new PC. I now want to upgrade my motherboard. So if I understand correctly I can format my boot drive on the first built PC, download the installer to a flash drive, and I can then install Windows 10 on the new motherboard. I have the original product key from when I bought Windows 10. Do I understand this right?? Thank you!!

  18. IT Troll June 1, 2016 at 5:39 pm #

    Well I just went through this process transferring Win 10 Pro (upgraded from Win 8 Pro retail) to new hardware.

    Telephone activation failed and so I moved onto chat. 40 minutes later they entered and activated a new OEM key. So my retail Win 8 Pro is now a device locked OEM Windows 10 Pro. The free upgrade is not a full licence it is only good for the lifetime of the device.

  19. LitilDivil June 6, 2016 at 3:54 pm #

    My situation is the following: i`m getting new CPU / MB and ram…but i`ll use my ssd i have licenced and activated free upgrade windows 10 from 8.1. So do i have to do all this “reset” or clean install windows when i assemble my new pc? Or just to de-activate windows licence on the old machine and when i boot up my new pc then i just use my windows 8.1 key which i used to upgrade to win10? Do i need to contact supp at all? I`m not quite sure of the right procedure, so could someone explain it to me… Thanks in advance.

  20. Tommy June 8, 2016 at 6:12 am #

    Hi, ive upgraded my retail cd version of win 8.1 pro to win 10 pro and is fully activated and functional. Ive also signed up for a microsoft account username and password. From what i heard is the win 10 pro key is tied with your ms account? So if you install on a new hard disk or system it will automatically activate your win 10 pro as soon as you sign in using the ms login. Is is true and will the possibility for end of support free upgrade program affect this auto activation process? Thanks.

  21. krous June 15, 2016 at 12:31 am #

    Any idea if there is a LIMIT to how many times a purchased Retail Win10 Home can be re-trensferred (provided it is used on only 1 PC at a time)?

    • Tommy June 15, 2016 at 8:57 pm #

      krous, i don’t believe there’s a LIMIT to how many PC given that your ‘retail’ key would most likely get deactivated upon activation on the new system.

      • krous June 17, 2016 at 4:34 am #

        thanks! happy to hear that. Regs

  22. Tommy June 15, 2016 at 8:56 pm #

    to all, there’s a great knowledge-base that i found from ASUS website which they obtained from Microsoft KB. you may have some of your questions answered:

  23. alan culshaw June 18, 2016 at 4:13 am #

    hi there I have just purchased a tonbux media system that has windows 10 preinstalled which I bought from amazon, when I got to activation Iand try to activate I keep getting an error code yet I keeps on installing updates this didn’t come with a product key and the seller on amazon says that it dosnt need a key as its already preinstalled
    my question is why is it installing any updates if its not activated.

    kind regards
    alan culshaw.

  24. LoopsEasy June 18, 2016 at 1:12 pm #

    Very good article and well written but I still have a little bit of confusion. I bought windows 8 pro dvd (retail license). Then I installed it on my pc. Then I upgraded to windows 8.1 pro. Then I upgraded it to windows 10 pro. However I am planning to buy a new pc that has windows 10 home preinstalled. Please tell the exact steps needed to transfer windows 10 pro license from old to new computer and replace the windows 10 home oem license ? Do I need to uninstall windows 10 pro key from old pc first and then use the easy upgrade feature from within windows 10 home on new pc?
    Will I be able to do it after July 29th this year? If old computer has 64 bit and new pc has 32 bit,is the transfer still possible?

  25. Vince S July 2, 2016 at 6:29 pm #

    I have a Dell 570 PC with OEM Windows 7 Home Premium on it. I never used the upgrade to go to Windows 10.
    I’m building a new pc and what I want to do is use the upgrade on the new pc. What my question is can I use the upgrade on my new pc?

    What I was gonna do was, Take the toolkit on the Microsoft site and load it on a USB. Then proceed the Windows 10 install on the new pc. Then I was gonna use my Windows 7 Product Key for the Windows 10.

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