Windows 10: Windows 10 Pro iso file too large

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  1.    06 Mar 2017 #1

    Windows 10 Pro iso file too large


    The iso file is 4.42 GB and my DVD-R is only 4.38, so Roxio doesn't write the file to disk. I don't understand how I can get the iso to disk.
      My ComputerSystem Spec


  2. Posts : 4,617
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint
       06 Mar 2017 #2

    nkoss said: View Post
    The iso file is 4.42 GB and my DVD-R is only 4.38, so Roxio doesn't write the file to disk. I don't understand how I can get the iso to disk.
    I've used the DVD+R/DL [Dual-Layer] disc for that process, it holds up to 8GB but the ODD/Optical Disc Drive must support it as well as the burning program. There is a choice on the MCT process to get either 32-bit, 64-bit or 32&64-bit in the same file for use on other computers. I'd check it again.

    Also possible on MCT is to create a USB Thumb drive which is bootable, I use 8GB [did one a couple of days ago].

    The Version available through MCT was 1607 Build 14393.442 and after reboot updated to 14393.693.
      My ComputerSystem Spec

  3.    06 Mar 2017 #3

    Windows 10 ver 1607 fits on a standard DVD-R disc just fine:

    Click image for larger version. 

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ID:	124019

    It's on this disc:
    Affordable Blank DVD R Discs - DVD+R / DVD-R | Verbatim

    Did you download the dual 32-bit/64-bit version? If you need both 32-bit and 64-bit, download them separately and put them on 2 separate DVDs.
      My ComputerSystem Spec

  4.    06 Mar 2017 #4

    I would love to download it to a thumb drive, but my BIOS is from 2010 and won't boot from the thumb. I find it hard to believe that Microsoft has done this. Nowhere in the page of instructions does it say that a dual layer DVD is necessary. I repeated the process and I just put in for 64bit Windows 10, nothing more.
      My ComputerSystem Spec

  5.    06 Mar 2017 #5

    NavyLCDR said: View Post
    Windows 10 ver 1607 fits on a standard DVD-R disc just fine:

    Click image for larger version. 

Name:	Capture.JPG 
Views:	96 
Size:	35.4 KB 
ID:	124019

    It's on this disc:
    Affordable Blank DVD R Discs - DVD+R / DVD-R | Verbatim

    Did you download the dual 32-bit/64-bit version? If you need both 32-bit and 64-bit, download them separately and put them on 2 separate DVDs.
    I see your capacity is the same as mine, 4.38, but my iso file is 4.42. Yours seems to be 4.16, so I am a bit confused. And I only downloaded the 64 bit version
      My ComputerSystem Spec

  6.    07 Mar 2017 #6

    nkoss said: View Post
    I see your capacity is the same as mine, 4.38, but my iso file is 4.42. Yours seems to be 4.16, so I am a bit confused. And I only downloaded the 64 bit version
    Did you download the ISO file directly from Microsoft? And you are trying to copy the ISO file itself over to the DVD, or burn the image contained in the ISO file?
      My ComputerSystem Spec

  7.    07 Mar 2017 #7

    NavyLCDR said: View Post
    Did you download the ISO file directly from Microsoft? And you are trying to copy the ISO file itself over to the DVD, or burn the image contained in the ISO file?
    I downloaded the MCT (Media Creation Tool) as instructed on their website, Then you run that program to create the windows.iso. It all seems so simple. I can't believe this is happening!
      My ComputerSystem Spec

  •    07 Mar 2017 #8

    nkoss said: View Post
    I downloaded the MCT (Media Creation Tool) as instructed on their website, Then you run that program to create the windows.iso. It all seems so simple. I can't believe this is happening!
    Pretty sure when you use the media creation tool directly, it creates the larger 32+64bit iso. You have to choose option to only download directly the 64bit iso which is smaller and then burn files INSIDE the iso (think of and iso like a zip file) by mounting iso as a drive and copying all the files to dvd.

    If using windows 7, you may need a tool such as virtual clone drive Virtual CloneDrive - Elaborate Bytes to mount iso as a drive. Windows 8 onwards mopunt drive by double clicking on it.
      My ComputerSystem Spec

  •    07 Mar 2017 #9

    cereberus said: View Post
    Pretty sure when you use the media creation tool directly, it creates the larger 32+64bit iso. You have to choose option to only download directly the 64bit iso which is smaller and then burn files INSIDE the iso (think of and iso like a zip file) by mounting iso as a drive and copying all the files to dvd. .
    Are you referring to this screen?

    Click image for larger version. 

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ID:	124047

    As you see, I chose the 64 bit (only) option!!
      My ComputerSystem Spec


  • Posts : 3,205
    10.5 Home 1803 x64
       07 Mar 2017 #10

    You can download ISO directly without using silly MCT. English Pro 64-bit is about 4,1 GB.

    Microsoft Windows 10 Anniversary Update ISO 1607 Download • Windows ISO

    Microsoft Windows and Office ISO Download Tool
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