Win 8.1 clone upgrade and dual boot....oh my... Solved

  1.    25 Jul 2016 #1

    Win 8.1 clone upgrade and dual boot....oh my...

    Hello all

    I have a sort of quick question regarding upgrading to 10.
    I think I know how to do this but I wanted to double check my thoughts before I start things.

    What I currently have is a 500gb ssd running dual boot 8.1 and a clean install of 10. I wasn't really sure I wanted to move to 10 so I went this route as it seemed the easiest way to play around with 10 and not loose my 8.1.

    What I would now like to do is move the win 10 install to its own drive and continue the dual boot setup. I have done dual boot with separate drives in the past but I have never tried going from one drive to two.

    My current thoughts are 1) to clone the 10 install to a new drive, nice fresh start, or 2) clone 8 to the new drive then do the "upgrade" route on that. Less reinstall but not so fresh.:)

    I am kinda leaning towards option 2 at the moment being that I am having a bugger of time trying to get a lot of my programs to actually install right now on 10, something about UAC and things being blocked, and again, just the thought of having to actually reinstall everything that I have to start with....starting from scratch as it were. I have a lot of stuff to reinstall.

    My main concern with things ether way and kind of the main question really, is how to deal with the boot loader going from one drive to two. As I mentioned, I have done two drives before, just never tried going from one to two before.

    Also would their be any potential issues or concerns with the clone and upgrade that I'm maybe not considering?

    Any thoughts or recommendations would be greatly appreciated.

      My ComputerSystem Spec

  2.    25 Jul 2016 #2

    Simple answer: Copy just the OS partition that you want to clone to the second hard drive/SSD. I like either MiniTool Partition Wizard or Macrium Reflect Free for that. Boot into your existing Windows 10. The newly copied OS partition should get a drive letter in Windows 10. Let's say it gets G:\ for it's drive letter. Right click on start icon. Select Command Prompt (Admin). In the admin Command Prompt run:

    BCDBOOT G:\Windows /d /addlast

    The path in red will be to the Windows folder of the new Windows OS partition. Reboot and you will find the option to boot into the newly created OS partition added to the boot menu.

    Keep in mind, though, that each partition containing a Windows installation requires it's own separate license in order to comply with the EULA (End Users License Agreement). If you upgrade a Windows 8.1 to Windows 10, you still have only 1 license for Windows, you do not get an additional license. If your current Windows 10 activation came from the upgrade of the Windows 8.1 that you have, you still have only 1 license for Windows and your current dual boot setup violates the EULA. My advice is based upon the assumption that you purchased the Windows 10 you have installed and that after you copy the Windows 8.1 to a new partition that you will delete the old partition it came from so that the number of partitions with Windows installed matches the number of licenses for Windows that you have.
      My ComputerSystem Spec

  3.    25 Jul 2016 #3

    Seems easier than I was expecting to be :)
      My ComputerSystem Spec

  4.    26 Jul 2016 #4

    Spoke too soon I guess. 😕 Sort of.

    Cloneing went smooth enough. The upgrade attempt not so much. Basically several hours of little grey boxes that said nothing more than " their was a problem"....something along those lines, no other info tho.

    Oh well, I'll try again tonight. ☺
      My ComputerSystem Spec

  5.    26 Jul 2016 #5

    Well, After roughly 9 hours....probably more....over two nights and at least 30 tries, I seem to have a successful upgrade and working dual boot....again....

    Just for the "closure" on the boot loader part which was my main concern, the BCDBOOT worked great :)

    Thanks again
      My ComputerSystem Spec

  6.    27 Jul 2016 #6

    Glad it worked for you!
      My ComputerSystem Spec


Related Threads
Upgrade one side of current Dual boot setup in Installation and Upgrade
All, My current computer is already in a dual boot setup with a dedicated Win7 SSD and a dedicated Win8.1 SSD (not just a partitioned drive). Both drives are booting through BIOS not UEFI. What I would like to do is Upgrade the Win8.1 drive to...
hi, I was prompted a while ago to update to Windows 10, but haven't had a reason to until recently, there's a game (Killer Instinct) which is Windows 10 only so I decided now's the time. When I was prompted for the update originally, I...
Solved Upgrade to Win10 on a dual-boot machine in Installation and Upgrade
For some work that I am still doing after retirement I need a dual boot machine consequently my Windows 7 Ultimate lives alongside Ubuntu 12.04 with a shared data partition. Does anyone know if it will be safe to upgrade to Windows 10 without...
Upgrade 10 with dual boot in Installation and Upgrade
Hello. I have a Windows 7 and Windows Server 2012 R2 dual boot laptop configuartion. If i upgrade my widnows 7 to Win10 does i will loose dual boot configs? Thanks
My laptop has dual boot - Windows 7 and Windows 10. My Win7 environment is my main working environment with lots of programs installed and important files. I installed the Win10 environnment just to play around with 10 during the technical...
Our Sites
Site Links
About Us
Windows 10 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 10" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd
All times are GMT -5. The time now is 16:34.
Find Us