How to Install Windows 7 From USB Drive

In this tutorial you will learn how to install Windows 7 from USB flash drive, of course it will be a bootable USB windows 7. The reason why you need windows 7 bootable USB is because devices like tablets, small laptop and notebook doesn’t have optical drives. If you want to upgrade Windows 7 from Vista you need to copy windows 7 ISO to USB and then install windows 7 from USB.

But you can’t simply copy the files of Windows 7 DVD or Windows 7 ISO to a USB flash drive. It won’t work. For that you have to create bootable USB windows 7 and then install Windows 7 from USB to it before it’ll work as you expect.

In this article step by step method are explained coupled with pictures and screenshots. The purpose is to help you easily make bootable USB windows 7. No CD/DVD is required. You only need USB flash drive of at least 4GB for Win 7 and 8GB for Windows 8 or 10.

This windows 7 USB install guide is 100% tested will also covers below topics

  • How to Create Windows 7 Bootable USB Drive
  • How to Install Windows 7 from ISO File
  • Windows 7 USB Installation Guide
  • Install Windows 7 on USB

Steps For Windows 7 USB Installation Guide

To install Windows 7 from USB as bootable drive will take 15 to 30 minutes. During this process you have to go through below steps. We will explain them later.

  1. Download Windows 7 ISO File
  2. Download and install Windows 7 USB/DVD Download Tool
  3. Boot from the USB device to install Windows 7

How to Install Windows 7 From USB Drive

You need Windows image file + ISO to USB burner software + USB flash drive to create Windows 7 USB Install Disk.

1. Download Windows 7 ISO File

First you need download Windows 7 from Microsoft store or any other online source. You can also get Windows 7 ISO fine here. It’s recommended to download Windows 7 Ultimate ISO which is the most popular version. Well you can either download 32bit or 64bit version.

2. Install Windows 7 USB/DVD Download Tool

Now you need to download windows 7 USB tool, But To install the Windows USB/DVD Tool you must have administrator access on the computer on which you want to install it. Those users who want to install windows 7 USB DVD download tool on PC that have 32bit OS version. First they need “bootsect” file to burn 64bit Windows 7 ISO file on USB drive successfully.

This is a genuine free Microsoft program which works in Windows 10, Windows 8, Windows 7, Windows Vista, or Windows XP.

This windows 7 usb download tool have 4 steps which needs to be followed before you successfully create Windows 7 bootable USB.

Step-1 – Open this tool from start menu or wherever you have installed it. Then click on Browse button and go to the folder where your windows 7 iso file is.

install Windows 7 from USB

Install Windows 7 from USB

Step 2 – Now after you insert USB click on USB device button and choose media type on which you want to install Windows 7 ISO file.

how to install windows 7 from USB

Step 3 – Now another box will appear where you need to select USB Pen drive as H or I or G then click Begin copying button.

how to install windows 7 from usb on new pc

Step 4 – Wait until process of creating bootable windows 7 USB finishes. During this process the Windows 7 USB DVD Download Tool will reformat USB drive and then copy the Windows 7 installation files on it.

In the end you will see screen saying Bootable USB device created successfully. Close this Win 7 USB DVD download tool and use that drive to install Windows 7.

Restart your PC and boot from Win 7 USb, double click on setuo.exe. If you can’t install Windows ISo file from USB then you need to make certain changes in boot order in BIOS.

How To Change Boot Order in BIOS to Install Windows 7 From USB

To run windows 7 USB installer successfully you need to make following changes in boot order. 
  1. Restart the Computer and Watch for the BIOS Setup Message
  2. Enter the BIOS Setup Utility
  3. Locate and Navigate to the Boot Order Options in BIOS
  4. Make Changes to the Boot Order Choose Removable Devices
  5. Save Changes to the BIOS Setup Utility
  6. Confirm Boot Order Changes and Exit BIOS
  7. Start the Computer With the New Boot Order

Alternate Method To Install Windows 7 ISO

This method also works 100%. To get bootable Windows 7 USB CMD you need to plug in your USB and follow these commands.

Open Windows 7 command prompt as an administrator. Type and press these command

“Diskpart”

“list disk” (to locate USB as disk 1,2 or 3)

“Select disk” (e.g. 1, 2 or 3)

“clean” (format drive)

“create partition primary” (set USB as primary partition)

“active” (make partition active)

“format fs=fat32 quick” (convert USB partition as FAT32)

“assign” (enter drive letter)

You have done most of the difficult part now copy Windows 7 installation files on USB. Once the process is complete you can now install Windows 7 from USB.

Did you liked our tutorial to install Windows 7 from USB then tell us and If you encounter any problem informs us.

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