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  1.    05 Jun 2015 #21
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,579
    Windows 10 IoT

    All depends on where you get the info from. People interpret it differently and then repeat their version of what they read and so on. I agree, Microsoft needs to post details that are easy to understand so we know what's what when the time comes.
      My ComputerSystem Spec
  2.    05 Jun 2015 #22
    Join Date : Oct 2013
    Wolves, England
    Posts : 1,634
    W7 Pro x64 | W10 IP x64 | Linux Mint VM

    Quote Originally Posted by f14tomcat View Post
    @Boozad, Good info here. It would answer 99.9% of my issues if you could clarify the part I hightlighted in red. I have 8.1 pre-installed dual-booting 10 preview. I have used an 8.1 MS supplied ISO, burned to DVD, to re-install because I wanted to de-crapify it. It worked fine. After upgrade to 10 on 7/29, should I be able to repeat that process? Re-install 8.1 from the same DVD as dual-boot with the real 10?
    @f14tomcat, here's the clarification straight from Gabe's mouth (well, fingers). The Free Windows 10 Will Support Unlimited Clean Installs - Windows 10 Forums
      My ComputerSystem Spec
  3.    05 Jun 2015 #23
    Join Date : Oct 2014
    Arnold, MD
    Posts : 29,554
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)

    Quote Originally Posted by Boozad View Post
    @f14tomcat, here's the clarification straight from Gabe's mouth (well, fingers). The Free Windows 10 Will Support Unlimited Clean Installs - Windows 10 Forums
    So, the answer is no.
      My ComputersSystem Spec
  4.    05 Jun 2015 #24
    Join Date : Oct 2013
    Wolves, England
    Posts : 1,634
    W7 Pro x64 | W10 IP x64 | Linux Mint VM

    Quote Originally Posted by f14tomcat View Post
    So, the answer is no.
    Oh you meant re-use the 8.1 license you upgraded?
      My ComputerSystem Spec
  5.    05 Jun 2015 #25
    Join Date : Oct 2014
    Arnold, MD
    Posts : 29,554
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)

    Quote Originally Posted by Boozad View Post
    Oh you meant re-use the 8.1 license you upgraded?
    I think I've got myself going in circles, now. If dual-booting, I can only run 1 OS at a time. I meant can I re-install 8.1 to same​ hardware as 10? Key is in UEFI. Boot to 10, run 10. Boot to 8.1, run 8.1. Am I making any sense???
      My ComputersSystem Spec
  6.    05 Jun 2015 #26
    Join Date : Oct 2013
    Wolves, England
    Posts : 1,634
    W7 Pro x64 | W10 IP x64 | Linux Mint VM

    Quote Originally Posted by f14tomcat View Post
    I think I've got myself going in circles, now. If dual-booting, I can only run 1 OS at a time. I meant can I re-install 8.1 to same​ hardware as 10? Key is in UEFI. Boot to 10, run 10. Boot to 8.1, run 8.1. Am I making any sense???
    Yeah I get you. I don't see any reason why that wouldn't be possible, are you using separate drives for each OS? I'm booting W7 on one SSD and W10 on another in a dual boot, I'd just remove all of my drives except the drive I was installing on then perform a clean install, plug all the other drives back in and you're good to go. That will work for 7, 8 or 10.

    Unless you'd be using the same 8.1 OS you used to upgrade to 10, that wouldn't work as the 8.1 license would be now void I'd have thought.
      My ComputerSystem Spec
  7.    05 Jun 2015 #27
    Join Date : Oct 2014
    Arnold, MD
    Posts : 29,554
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)

    Quote Originally Posted by Boozad View Post
    Yeah I get you. I don't see any reason why that wouldn't be possible, are you using separate drives for each OS? I'm booting W7 on one SSD and W10 on another in a dual boot, I'd just remove all of my drives except the drive I was installing on then perform a clean install, plug all the other drives back in and you're good to go. That will work for 7, 8 or 10.
    No, same 1TB Seagate. Been working fine. Any occasional burps (usually self-inflicted) I fix with my handy-dandy Macrium Rescue DVD.
      My ComputersSystem Spec
  8.    05 Jun 2015 #28
    Join Date : Oct 2013
    Wolves, England
    Posts : 1,634
    W7 Pro x64 | W10 IP x64 | Linux Mint VM

    I placed an edit in my last post mate.
      My ComputerSystem Spec
  9.    05 Jun 2015 #29
    Join Date : Oct 2014
    Arnold, MD
    Posts : 29,554
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)

    Quote Originally Posted by Boozad View Post
    I placed an edit in my last post mate.
    I saw it.... It's all really "curiosity hunger". If I lose 8.1, and for some goofy reason I want it, I can always buy one! Same for 7. Thanks for your indulgence!
      My ComputersSystem Spec
  10.    05 Jun 2015 #30
    Join Date : Oct 2014
    Arnold, MD
    Posts : 29,554
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)

    P.S. to last post... we (the Forum) need to encourage people to make good preps for the upgrade. I posted that somewhere else, but it's important. Get your ducks in order, do backups, save keys, etc. Get ready so no disasters.
      My ComputersSystem Spec

 
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