Make a bootable Windows USB from an ISO

Make a bootable Windows USB from an ISO

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How to make a Windows 10, 8.1, 8, 7, Vista or XP Bootable USB from any Microsoft ISO image file

As many computers are now shipped without optical devices (yes folks CD and DVD is a thing of the past) it is becoming more important to be able to create a bootable USB from any legal Microsoft Windows bootable ISO. The main issue we have come across is that the Microsoft ISO to USB Software does not always work, especially with Windows XP and Vista and also there seem to be issues with 4Gb USB devices. We have therefore created this guide on how to create a bootable USB with any official Microsoft ISO sourced from Restore Solutions or directly from Microsoft.

We believe Rufus is the best free ISO to USB tool availble

Rufus is by far the best tool to make bootable Windows USB keys / memory sticks. All you need is the Windows ISO which you can get from restore.solutions and the free tool Rufus USB tool which is available free here https://rufus.akeo.ie/ in the following languages.

Azərbaycanca,  Bahasa Indonesia,  Bahasa Malaysia,  Български,  Čeština,  Dansk,  Deutsch, Ελληνικά,  English,  Español,  Français,  Hrvatski,  Italiano,  Latviešu,  Lietuvių,  Magyar,  Nederlands, Norsk,  Polski,  Português,  Português do Brasil,  Русский,  Română,  Slovensky,  Slovenščina,  Srpski, Suomi,  Svenska,  Tiếng, Việt, Türkçe,  Українська,  简体中文,  正體中文,  日本語,  한국어,  ไทย

The Rufus FAQ is available HERE however full instructions on how to use this tool with a legitimate and legal Windows ISO follow.

Download the executable and double click on it. Remember no installation is necessary as the Rufus USB tool does not need to be installed on your computer to work, you can just run it and the tool does NOT alter your computer in any way.

The executable is digitally signed and the signature should state :

Akeo Consulting (v1.3.0 or later)

Pete Batard - Open Source Developer (v1.2.0 or earlier)

After downloading and executing the Rufus exe

After downloading and executing the Rufus exe you will be presented with the Rufus user interface. It may look complicated if you are not technical, but it is very easy and we will show you exactly how to make your windows USB. The inital Rufus interface should look exactly as shown below.

Rufus first run user interface

The first thing you need to do is select your USB  device from the first drop down as per the image below. Remember this device will be completely wiped of any data that is already on the device. Also if you are using Rufus to create a bootable Windows USB from an ISO then you have to be using a minimum size of 4Gb USB.

rufus select usb device screen shot

The next step is to select the ISO image file. for now ignore all the other settings and go directly to the select ISO image button, as shown on the screen shot below.

rufus select iso image file screen shot

For this example we are going to use a Microsoft Windows 8.1 x64 (64 bit image).  Once you press the select image you will see an open dialog box as below, navigate to the file you want to make the bootable USB from. Remember Rufus will use the boot structure and files from the ISO file, it will also select the correct file system and other related settings. So you will not need to change any of the other settings.

rufus select the windows iso image dialog box

The location of your ISO will not be in the same place as the one above, it will likely be in your download folder or desktop. Once selected, Rufus is now ready to create the bootable Windows USB. The next button you need to press is the start button as per the screenshot below.

rufus press the start button to create the bootable usb from iso

Upon pressing the start button you will see a warning box similar to the one shown below, press okay to create the bootable USB.

rufus warning dialog box

The next process will take anything from 10 - 60 minutes to complete, depending on the speed of your USB ports and or your USB device. As the Rufus USB tool copies the files to the memory stick, you will see a green progress bar and some file names on the bottom of the UI, as per the screenshot below. Please be patient and do not remove the memory stick during this process. However if you have to halt or cancel this procedure there is a cancel button at the bottom right of Rufus.

rufus creating the bootable usb memory stick from the windows iso

Once complete all that you will see is a complete progress bar and the words ready, this should look exactly like or similar to the screen shot below.

rufus windows iso file to usb complete

You can now exit Rufus and remove your USB key / memory stick. If your laptop or desktop PC is already set-up to boot from USB  all you need to do is turn your computer on with your new shiny Windows bootable USB key already plugged in.

Article Written By Numus Software : August 22nd, 2016.