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There is a new machine that need to install a Windows OS. However, you are given an ISO file (that contains the Windows OS) and an external hard disk only.

How do I go about to install it?

Please note that you are not provide any blank CD or DVD to burn the ISO file.

user275517
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  • are asking on instruction on how to install it? – 0m3r May 19 '15 at 06:47
  • Is the ISO of an existing Windows installation (taken from another machine) or does it contain the Windows installation "disc" (as supplied by Microsoft)? – Mike Fitzpatrick May 19 '15 at 06:52
  • @Omar, I am asking about the possibility and also the instruction if such possibility is possible. If the possibility is zero, please let me know as well. – user275517 May 19 '15 at 06:53
  • @MikeFitzpatrick, the ISO is a installation media supplied by Microsoft. – user275517 May 19 '15 at 06:53
  • Why do you have a blank machine and an external hdd? What are you trying to accomplish exactly? – Ramhound May 19 '15 at 22:57
  • Is the issue that you want to make the external hard disk the boot disk that contains Windows and you will use it externally? Install Windows on the external hard disk for later internal use? Use the external hard disk to install the iso on an internal hard disk? Install Windows on the external hard disk as a portable boot drive for different computers? – fixer1234 May 20 '15 at 03:00

2 Answers2

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Create a Bootable USB Drive

1 Your flash drive will need to be at least 4 GB in size in order to successfully copy the ISO file onto it. All of the data on your flash drive will be lost when you turn it into an installation drive, so be sure to back up any important files before continuing.

2 Download the Windows 7 USB/DVD Download Tool. This is available for free from Microsoft. Despite its name, this tool works with Windows 8 and Vista ISO files as well. You can install and run this tool on virtually any version of Windows.

3 Select the Source file. This is the ISO that you created or downloaded in the first section. Click Next.

4 Select USB device. Click the USB Device option. Select your flash drive from the list of available devices.

5 The program will format the USB drive to boot correctly, and then copy the ISO file onto the drive.

6 Boot it from the USB Drive

Moab
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0m3r
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  • The Windows USB/DVD tool does not support external hard disk. I am able to see the external hard disk as it is mount to drive D: but the Windows USB/DVD tool do not allow me to select drive D: – user275517 May 19 '15 at 07:08
  • what window are trying to install, you can partition and install it from there – 0m3r May 19 '15 at 07:16
  • "you can partition and install it from there" - From where? Your answer doesn't work as the Windows 7 USB/DVD Download Tool doesn't support USB HDDs. – Karan May 19 '15 at 20:07
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Burn it to a cd/dvd using a program like BurnAware. Remember to select burn iso to cd/dvd not burn files to cd/dvd

Tim Jonas
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  • Hi Tim, you are only given an ISO file and an external hard disk only. You are not given any blank CD or blank DVD to burn it. – user275517 May 19 '15 at 06:51
  • ah ok if the image is genuine(From microsoft) You could use a tool such as Windows USB/DVD tool. https://www.microsoft.com/en-us/download/windows-usb-dvd-download-tool If Windows USB/DVD tool does not accept the iso you could also use Rufus or Unetbootin. https://rufus.akeo.ie/ – Tim Jonas May 19 '15 at 06:58
  • The Windows USB/DVD tool does not support external hard disk. – user275517 May 19 '15 at 06:59
  • Give rufus a shot. – Tim Jonas May 19 '15 at 07:00
  • The rufus does not support external hard disk too, – user275517 May 19 '15 at 07:02
  • Also, the Unetbootin does not support external hard disk too. – user275517 May 19 '15 at 07:04
  • win32 disk imager is the last program I can recommend. Another long way to do this that definitely works would be to download virtual box and a linux iso such as Debian Live and follow this tutorial http://www.turnkeylinux.org/blog/iso2usb You will need to attach the external hard drive to the virtual machine and copy the iso over to the virtual machine. – Tim Jonas May 19 '15 at 07:22
  • win32 disk imager is able to find my external hard disk. However, it does not support ISO file. It only support IMG file. – user275517 May 19 '15 at 07:36
  • @user275517 - So convert it. – Ramhound May 19 '15 at 22:58