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  1.    02 Jun 2017 #11
    Join Date : Aug 2014
    Forever West
    Posts : 3,926
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint

    Windows end-of-life chart:
    https://support.microsoft.com/en-us/...cle-fact-sheet

    This says Version 1507 is ending or has ended but Version 1511 should be good for a little longer. Version 1607 Build 14393 is pretty good and I'm just now getting Version 1703 Build 15063 on my third machine.
    End of support for original Windows 10 version pushed back to May
      My ComputerSystem Spec
  2.    02 Jun 2017 #12
    Join Date : Jul 2016
    Posts : 84
    Windows 10
    Thread Starter

    Quote Originally Posted by badrobot View Post
    Why older version again? I don't understand.
    I did explain it. There are other reasons too. Does not matter. For my own reasons I want to run 1511Pro. The question is can I install it from ISO either on a system that has a later version, or reinstall it if I need to?
      My ComputerSystem Spec
  3.    02 Jun 2017 #13
    Join Date : Aug 2014
    Forever West
    Posts : 3,926
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint

    Yes but going back to an older version most likely requires a clean install due to many changes with newer versions. You can install from the .iso anytime, I prefer creating a DVD from that .iso file, useful on other computers at times.
      My ComputerSystem Spec
  4.    02 Jun 2017 #14
    Join Date : Jul 2016
    Posts : 84
    Windows 10
    Thread Starter

    Quote Originally Posted by Berton View Post
    Windows end-of-life chart:
    https://support.microsoft.com/en-us/...cle-fact-sheet

    This says Version 1507 is ending or has ended but Version 1511 should be good for a little longer. Version 1607 Build 14393 is pretty good and I'm just now getting Version 1703 Build 15063 on my third machine.
    End of support for original Windows 10 version pushed back to May

    Don't care about end of life. I just want to know if I can downgrade the version from ISO.
      My ComputerSystem Spec
  5.    02 Jun 2017 #15
    Join Date : Mar 2017
    Posts : 5,854
    64-bit Windows 10 Pro

    A win 10 Pro is 199.00 USD at MS. I am sure he can get a better deal at Amazon as I posted earlier.
      My ComputerSystem Spec
  6.    02 Jun 2017 #16
    Join Date : Mar 2017
    Posts : 5,854
    64-bit Windows 10 Pro

    A win 10 Pro is 199.00 USD at MS. I am sure he can get a better deal at Amazon as I posted earlier.

    Here is a link to the download tool.

    http://www.majorgeeks.com/files/deta...load_tool.html
      My ComputerSystem Spec
  7.    02 Jun 2017 #17
    Join Date : Nov 2013
    Toronto
    Posts : 4,641
    Win 10 Pro x64

    Quote Originally Posted by oao View Post
    Don't care about end of life. I just want to know if I can downgrade the version from ISO.
    You CAN'T downgrade with an older Windows 10 version ISO. All latest apps and drivers will not be supported and so you won't be able to keep your apps, files and settings (greyed out options). You can only clean install with an older ISO.

    Click image for larger version. 

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      My ComputerSystem Spec
  8.    02 Jun 2017 #18
    Join Date : Jan 2015
    Posts : 382
    Windows 10 Home x64

    Take a look at some refurbished laptops Refurbished Laptops & Notebooks - Newegg.com over the last few years I've bought three (Dell Latitude E series, one 6400, two 6420's) two with Win7 Pro that I upgraded to W10 during the free upgrade period, and one with W10 Pro already on it.

    These were all in the slightly more than $200 range, $219 to $238, this is older equipment, but they've worked fine for me. The Dell "E" series is Enterprise grade, and they're a little more robust than a consumer laptop. Something to consider when you're already using older equipment.
      My ComputersSystem Spec
  9.    02 Jun 2017 #19
    Join Date : Jul 2016
    Posts : 84
    Windows 10
    Thread Starter

    Quote Originally Posted by badrobot View Post
    You CAN'T downgrade with an older Windows 10 version ISO. All latest apps and drivers will not be supported and so you won't be able to keep your apps, files and settings (greyed out options). You can only clean install with an older ISO.
    I HAVE a 1511 ISO. The question is can I install it on a system with a later version using the key of the later version? IOW, is the key associated with a specific version, or to the machine?
      My ComputerSystem Spec
  10.    02 Jun 2017 #20
    Join Date : Nov 2013
    Toronto
    Posts : 4,641
    Win 10 Pro x64

    Quote Originally Posted by oao View Post
    I HAVE a 1511 ISO. The question is can I install it on a system with a later version using the key of the later version? IOW, is the key associated with a specific version, or to the machine?
    The key is not associated with a version. It is associated with the machine. You have to do a clean install (wipe out you later installation).
      My ComputerSystem Spec

 
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