Windows 10: Windows 10 OEM Key RTM CoreSingleLanguage allows upgrade to W11 but Not Downgrade to W8.1?

Discus and support Windows 10 OEM Key RTM CoreSingleLanguage allows upgrade to W11 but Not Downgrade to W8.1? in Windows 10 Software and Apps to solve the problem; Where are the Activation Product Key Rights ?I Do Not want to Revert / Rollback, because the Original Factory Installed Windows was 10.it´s a New... Discussion in 'Windows 10 Software and Apps' started by JuanPC2002, Apr 28, 2022.

  1. Windows 10 OEM Key RTM CoreSingleLanguage allows upgrade to W11 but Not Downgrade to W8.1?


    Where are the Activation Product Key Rights ?I Do Not want to Revert / Rollback, because the Original Factory Installed Windows was 10.it´s a New Machine,i cannot revert / rollback to W8.1Repeatedly, Microsoft CEO, Satya Nadella said: "We want to go from users needing Windows to choosing Windows to loving Windows."https://www.windowscentral.com/how-downgrade-windows-10-windows-81The problem is the Key, does Not allow to Clean install Windows8.1i have done clean installs, i know how to do it, thats Not the problem.The problem is the Key stored in the UEFI of the machine.i have tested Windows 8.

    :)
     
    JuanPC2002, Apr 28, 2022
    #1

  2. Can I use Win 8.1 RTM CoreSingleLanguage OEM key in Windows 10 Home Single Language this version?

    Hello,

    One day before my laptop internal hdd got damage or don't know it goes to slow..for solving that i reset my laptop 2 to 3 times with full clean option..

    But still problem was not solve..so i decided to buy a new 2.5 inch hdd..

    Now that laptop i bought from ASUS authorized store...and it has pre installed windows 8.1..with licensed...and after launched of free upgrade of windows 10, I upgraded my laptop..

    Now I have new hdd and i want to install windows 10 Home Single Language version....and i have Win 8.1 RTM CoreSingleLanguage OEM key...so in the windows 10 setup, If i choose windows 10 Home Single Language version and after that i enter this Win 8.1 RTM
    CoreSingleLanguage OEM key..it will accept or it will activate my windows 10 Home Single Language version or not??

    Thank you,

    Regards.
     
    Suryarajsinh Vala, Apr 28, 2022
    #2
  3. liaf Win User
    Windows 10 OEM key won't work on Windows 10


    Okay. The OEM edition is Win 10 RTM CoreSingleLanguage OEM: DM according to ShowKeyPlus. Should I install the Win 10 home single language?

    No, it is not a system builder. Its DM version
     
  4. NavyLCDR Win User

    Windows 10 OEM Key RTM CoreSingleLanguage allows upgrade to W11 but Not Downgrade to W8.1?

    Windows 10 OEM key won't work on Windows 10


    That's what it looks like to me.
     
    NavyLCDR, Apr 28, 2022
    #4
Thema:

Windows 10 OEM Key RTM CoreSingleLanguage allows upgrade to W11 but Not Downgrade to W8.1?

Loading...
  1. Windows 10 OEM Key RTM CoreSingleLanguage allows upgrade to W11 but Not Downgrade to W8.1? - Similar Threads - OEM Key RTM

  2. Windows 10 RTM Core Retail product key on W11

    in Windows 10 Gaming
    Windows 10 RTM Core Retail product key on W11: I have a Windows 10 RTM Core Retail product key that I has previously been used to upgrade a device to W11.The device has recently been reset with a fresh installation of W11, but the product key for W10 cannot now be used.Is there a way to still use this product key to...
  3. Windows 10 RTM Core Retail product key on W11

    in Windows 10 Software and Apps
    Windows 10 RTM Core Retail product key on W11: I have a Windows 10 RTM Core Retail product key that I has previously been used to upgrade a device to W11.The device has recently been reset with a fresh installation of W11, but the product key for W10 cannot now be used.Is there a way to still use this product key to...
  4. OEM EDITION me win 10 RTM CoreSingleLanguage likha hai to yah windows 10 ka kaun sa types hai

    in Windows 10 Updates and Activation
    OEM EDITION me win 10 RTM CoreSingleLanguage likha hai to yah windows 10 ka kaun sa types hai: Mai apni pre-installed windows search nhi kar pa rha hoo https://answers.microsoft.com/en-us/windows/forum/all/oem-edition-me-win-10-rtm-coresinglelanguage-likha/35fb5279-0df4-4f1a-81f7-88a5955ce60c
  5. OEM EDITION me win 10 RTM CoreSingleLanguage likha hai to yah windows 10 ka kaun sa types hai

    in Windows 10 Gaming
    OEM EDITION me win 10 RTM CoreSingleLanguage likha hai to yah windows 10 ka kaun sa types hai: Mai apni pre-installed windows search nhi kar pa rha hoo https://answers.microsoft.com/en-us/windows/forum/all/oem-edition-me-win-10-rtm-coresinglelanguage-likha/35fb5279-0df4-4f1a-81f7-88a5955ce60c
  6. OEM EDITION me win 10 RTM CoreSingleLanguage likha hai to yah windows 10 ka kaun sa types hai

    in Windows 10 Software and Apps
    OEM EDITION me win 10 RTM CoreSingleLanguage likha hai to yah windows 10 ka kaun sa types hai: Mai apni pre-installed windows search nhi kar pa rha hoo https://answers.microsoft.com/en-us/windows/forum/all/oem-edition-me-win-10-rtm-coresinglelanguage-likha/35fb5279-0df4-4f1a-81f7-88a5955ce60c
  7. Windows 10 OEM Key RTM CoreSingleLanguage allows upgrade to W11 but Not Downgrade to W8.1?

    in Windows 10 Gaming
    Windows 10 OEM Key RTM CoreSingleLanguage allows upgrade to W11 but Not Downgrade to W8.1?: Where are the Activation Product Key Rights ?I Do Not want to Revert / Rollback, because the Original Factory Installed Windows was 10.it´s a New Machine,i cannot revert / rollback to W8.1Repeatedly, Microsoft CEO, Satya Nadella said: "We want to go from users needing Windows...
  8. Windows 10 RTM CoreSingleLanguage

    in Windows 10 Updates and Activation
    Windows 10 RTM CoreSingleLanguage: I do have pre installed W10 HOME SL on my laptop and I recently reformat it and installed W10 Pro. Now I want to return it to W10 HOME SL by using its OEM Product key but the case is I forgot what version of W10 Home SL was installed on it, will any version of W10 ISO...
  9. Windows 10 RTM CoreSingleLanguage

    in Windows 10 Updates and Activation
    Windows 10 RTM CoreSingleLanguage: I have seconhand laptop that has a pre installed windows 10 home single language, I dont know its version I guest it's Windows 10 Version 1507.I do have a screenshot of its system please see the photo below. [ATTACH][ATTACH] Then my HDD fails and bring it to a technician...
  10. Upgrade with OEM key

    in Windows 10 Updates and Activation
    Upgrade with OEM key: Hello! I have been trying to upgrade to Windows 10 Pro with an OEM key for a while and it hasn't been working. I saw somewhere to use a defaultWindows 10 Pro key, but the one they provided would not work. Please help. Thanks in advance!...