1. Joined : Aug 2015
    Posts : 3
    Windows 8.1 32bit
       07 Aug 2015 #1

    Windows 8.1 32bit to Windows 10 64bit


    Hi all, this is my first post here

    I've updated 2 machines from 7 64 bit and 8.1 64 bit to Windows 10 64 bit ok.

    However... I have a Dell Inspiron 530 from 2007 which originally came with Vista Home 32 bit.

    I took advantage of the cheap Vista > 8 upgrade a few years ago (25?) and then the free 8 > 8.1 upgrade.

    So... currently this machine is running 8.1 32 bit. I've read that a product key is valid for both 32 and 64 bit Windows.
    If this is the case, once I successfully upgrade to Windows 10 32 bit, will I be able to extract the product key and re-install 10 64 bit from scratch and re-input the extracted key?

    The only reason I want to do this is to increase the RAM on this old machine.
      My System SpecsSystem Spec


  2. Joined : Aug 2015
    Posts : 8
    windows 10
       07 Aug 2015 #2

    I would like to know this as well. I have already upgraded all of my machines, but I found that several of them were running 32-bit Windows 7. I used the 32-bit media creation tool just to make sure there were no compatibility issues. If I decide in the future to do a clean install of windows 10, I would like to be able to use Windows 10 64-bit.
      My System SpecsSystem Spec

  3.    07 Aug 2015 #3

    If you want to go from 32 to 64-bit you will need to do a clean install.
      My System SpecsSystem Spec


  4. Joined : Jul 2015
    Posts : 212
    10 (Free upgrade)
       07 Aug 2015 #4

    will I be able to extract the product key and re-install 10 64 bit from scratch and re-input the extracted key?
    Click image for larger version. 

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    If you are clean installing the 64 bit version of Windows 10 over the activated legal
    upgrade
    version of the 32 bit version of Windows 10 you don't need a key at all.

    Luckily for you that crappy Pentium Dual-Core E2160 is a 64 bit CPU!
      My System SpecsSystem Spec


  5. Joined : Aug 2015
    Posts : 3
    Windows 8.1 32bit
       07 Aug 2015 #5

    I realise I need to clean install to go 32>64

    What I'm asking is whether I cam extract the product key from a 32 bit install then clean install 64 bit with that key.

    The machine is currently running 8.1 32bit. I've got the reserved icon and that's still pending, however...

    I tried using the 32 bit media creation tool and doing an in-place upgrade. It was going through the motions until an error along the lines of "Windows cannot change the reserved space" (or some-such). Then rolled itself back to 8.1

    I then tried a 64 bit install from USB - when asked for product key I input the key I extracted with Belarc but was rejected as not valid.

    The original key on the machine's sticker is for 32 bit Vista. I paid for the upgrade to 8 with media centre (no longer have the email confirmation). Then the free 8.1 update through the store.
      My System SpecsSystem Spec


  6. Joined : Aug 2015
    Posts : 8
    windows 10
       07 Aug 2015 #6

    You do realize you will lose access to Media Center if you upgrade to Windows 10, right?
      My System SpecsSystem Spec


  7. Joined : Jul 2015
    Posts : 212
    10 (Free upgrade)
       07 Aug 2015 #7

    What I'm asking is whether I cam extract the product key from a 32 bit install then clean install 64 bit with that key.
    You don't need ANY key!
      My System SpecsSystem Spec


  8. Joined : Aug 2015
    Posts : 3
    Windows 8.1 32bit
       07 Aug 2015 #8

    I've just noticed that at some point going to 8 or 8.1 I was upgraded to Pro not Home.

    Would this be why the extracted key wasn't valid? (I was using a Win 10 Home USB ISO).

    Currently using Media Creation Tool to download 10 Pro ISO.

    > Yes, I realise I'll lose Media Centre, but it isn't used on this PC any more.

    > "You don't need ANY key" - my bad, I missed that part of your post

    > "Luckily for you that crappy Pentium Dual-Core E2160 is a 64 bit CPU! " - Actually it's a bit-less-crappy E6750 and with the SSD I swapped-in last year, it's surprisingly sprightly
    Last edited by thetaskmaster; 07 Aug 2015 at 15:39.
      My System SpecsSystem Spec


 


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