1.    30 Jan 2016 #1
    Join Date : Jan 2016
    Riga
    Posts : 21
    Windows 10 Pro 64bit

    Reinstalling Windows 10 after installing Windows 7


    Hi,
    so here goes:
    If I install* Windows 7 atop Windows 10, and then reinstall* Windows 10, will it activate itself or not?


    Note - all installs are clean installs.


    Thanks in advance!
      My ComputerSystem Spec
  2.    30 Jan 2016 #2
    Join Date : Jul 2015
    Posts : 9,551
    Windows 10 Pro

    Yes. If you are just going to reinstall Windows 10 then why would you install Windows 7 first?
      My ComputerSystem Spec
  3.    30 Jan 2016 #3
    Join Date : Jan 2016
    Riga
    Posts : 21
    Windows 10 Pro 64bit
    Thread Starter

    Quote Originally Posted by NavyLCDR View Post
    Yes. If you are just going to reinstall Windows 10 then why would you install Windows 7 first?
    I'm having problems on Windows 10 that I never experienced on Windows 7. I've tried reinstalling and resetting Windows 10, to no avail.
      My ComputerSystem Spec
  4.    30 Jan 2016 #4
    Join Date : Jul 2015
    Posts : 9,551
    Windows 10 Pro

    K. Since the computer has been upgraded once and activated, all future installs of Windows 10 will activate on it by retrieving the digital entitlement from Microsoft activation servers when connected to the internet - regardless of how many times you back to Windows 7.
      My ComputerSystem Spec
  5.    30 Jan 2016 #5
    Join Date : Aug 2014
    Forever West
    Posts : 3,984
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint

    Quote Originally Posted by Tjeros View Post
    I'm having problems on Windows 10 that I never experienced on Windows 7. I've tried reinstalling and resetting Windows 10, to no avail.
    I just used the Reset on a Win10 Notebook and received a warning that doing so would remove the possibility [files needed] of going back to Win8.1.
      My ComputerSystem Spec
  6.    31 Jan 2016 #6
    Join Date : Jan 2016
    Riga
    Posts : 21
    Windows 10 Pro 64bit
    Thread Starter

    Quote Originally Posted by NavyLCDR View Post
    K. Since the computer has been upgraded once and activated, all future installs of Windows 10 will activate on it by retrieving the digital entitlement from Microsoft activation servers when connected to the internet - regardless of how many times you back to Windows 7.
    OK. How is the information stored - as in, how will it know that on this computer Windows 10 has been activated before?
      My ComputerSystem Spec
  7.    31 Jan 2016 #7
    Join Date : Dec 2015
    Posts : 6,375
    Windows10

    Quote Originally Posted by Tjeros View Post
    OK. How is the information stored - as in, how will it know that on this computer Windows 10 has been activated before?
    When you install Windows 10 first time, the MS activation servers register your hardware id (like a mac address but more secure).

    So next time you install it, it checks to see if previously registered and if so activates it.

    You do not need to save anything on pc.
      My ComputerSystem Spec
  8.    31 Jan 2016 #8
    Join Date : Dec 2015
    Posts : 6,375
    Windows10

    Quote Originally Posted by Berton View Post
    I just used the Reset on a Win10 Notebook and received a warning that doing so would remove the possibility [files needed] of going back to Win8.1.
    You can always go back to Windows 8.1 by reinstalling from scratch using MS iso.
      My ComputerSystem Spec
  9.    31 Jan 2016 #9
    Join Date : Jan 2016
    Riga
    Posts : 21
    Windows 10 Pro 64bit
    Thread Starter

    Quote Originally Posted by cereberus View Post
    When you install Windows 10 first time, the MS activation servers register your hardware id (like a mac address but more secure).

    So next time you install it, it checks to see if previously registered and if so activates it.

    You do not need to save anything on pc.
    Alright, thanks! A little more curiosity:
    a) What exactly is the info it registers?
    b) How many times can it be activated?

    Thanks in advance!
      My ComputerSystem Spec
  10.    31 Jan 2016 #10
    Join Date : Dec 2015
    Posts : 6,375
    Windows10

    Quote Originally Posted by Tjeros View Post
    Alright, thanks! A little more curiosity:
    a) What exactly is the info it registers?
    b) How many times can it be activated?

    Thanks in advance!
    Re info - do not really know but it is derived from info on your mobo/bios - MS do not openly say what info, presumably to prevent piracy.

    Re. Activations - unlimited as far as I know for digital entitlement.

    If you activate using a Windows 10 key ie product key activatin, I assume it will be same as for previous versions i.e. a soft limit of 5 times, after which you will need to use telephone activation to reset the activation count to zero.
      My ComputerSystem Spec

 


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