1.    05 Aug 2015 #1
    Join Date : Aug 2015
    Posts : 14
    Windows 10 Pro

    Multiple Devices upgraded to Win 10 Home with same MS account


    Hello Guys,
    I have upgraded 3 devices from Windows 8.1 to Windows 10 (Home)

    Device Default OS Upgraded to
    HP Laptop Windows 8.1 64 Bit Windows 10 Home 64 Bit
    HP Desktop PC Windows 8.1 64 Bit Windows 10 Home 64 Bit
    Dell Venue 8 Pro Windows 8.1 32 Bit Windows 10 Home 32 Bit


    All three devices are logged in with same MS account.
    After the upgrade I just noticed that all 3 devices have same Product Key and almost similar Product ID
    i.e.
    Product Key: AB1DE-FG2IJ-KL3NO-PQ4ST-UV5XY
    Product ID: 00123-10000-00000-XY123
    Except the last 3 digits in Product ID ( underlined ) everything is exact same on all three devices.

    Before upgrade, all devices were using the OEM Product Keys came with them and everything was different. Now it is all the same. I do understand that I am not supposed to get a new Product key for each device or installation, it is a free upgrade that MS will validate online on each installation using some sort of Hardware Hash/ Identity from my devices. But still...


    1. If I now perform clean install on all of, hopefully it shouldn't cause any problem, or would it?
    2. MS is giving same Product Key, Product ID to all my devices because they are attached to same MS account, or is MS giving same Product Key/ ID to all who are upgrading from a specific type of Source Windows Version and Edition?
    3. Say same Product Key/ ID is only because of same MS account to all 3 devices, suppose I upgrade a fourth device, but before upgrade switch to Local Account, will MS still give me same Product Key/ ID?
    4. I install fresh Windows quite a lot of times, like to play around and mess around a lot, when I have time. Sometimes even change (experiment with) RAM, HDD, SSD, and even processor. My concern is that I might lose Windows 10 validity. Am I being paranoid or am I right to be concerned?
    5. If something as such happens, what are my options/ possibilities?
      My ComputerSystem Spec
  2.    05 Aug 2015 #2
    Join Date : Oct 2013
    A Finnish expat in Germany
    Posts : 13,086
    Windows 10 Pro

    Quote Originally Posted by Fahid View Post
    After the upgrade I just noticed that all 3 devices have same Product Key and almost similar Product ID
    All the upgrades use the same generic key. My product key is the same as yours. Totally normal, totally OK.

    Quote Originally Posted by Fahid View Post
    If I now perform clean install on all of, hopefully it shouldn't cause any problem, or would it?
    You can clean install on all your three devices, without issues.

    Quote Originally Posted by Fahid View Post
    MS is giving same Product Key, Product ID to all my devices because they are attached to same MS account, or is MS giving same Product Key/ ID to all who are upgrading from a specific type of Source Windows Version and Edition?


    Say same Product Key/ ID is only because of same MS account to all 3 devices, suppose I upgrade a fourth device, but before upgrade switch to Local Account, will MS still give me same Product Key/ ID?
    You get the same product key and slightly different product ID because of what I mentioned above; Windows is using a generic key for all upgrade installs.

    You can upgrade also using a local account, Windows 10 would still use the same generic key. Only difference would be that because staying as an Insider and receiving new builds in the future requires an MS Account, you would no longer be an Insider on that machine nor would you receive receive future build upgrades.


    Quote Originally Posted by Fahid View Post
    I install fresh Windows quite a lot of times, like to play around and mess around a lot, when I have time. Sometimes even change (experiment with) RAM, HDD, SSD, and even processor. My concern is that I might lose Windows 10 validity. Am I being paranoid or am I right to be concerned?
    Your Windows 10 on all your devices is an OEM version. It cannot be transferred to another hardware setup. If you change let's say the motherboard, you would need to buy a product key to activate it.


    Quote Originally Posted by Fahid View Post
    If something as such happens, what are my options/ possibilities?
    As long as you do not change hardware components, all your Windows 10 devices are activated for their lifetime. You can reinstall clean when you want to.

    Kari
      My ComputerSystem Spec
  3.    05 Aug 2015 #3
    Join Date : Aug 2015
    Posts : 14
    Windows 10 Pro
    Thread Starter

    Thanks a lot Kari
      My ComputerSystem Spec

 


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