How to Install Windows 7 from USB

Installing Windows 7 Made Easy

Here are the questions we were asked a lot... "Can we install Windows 7 from USB?", "How to upgrade and/or install Windows 7 on Netbook?", "How to install Windows 7 without DVD-ROM Drive?"... To answer these questions we've decided to write this step-by-step article.

If you want to install Windows 7 on a Computer or a Laptop without the CD/DVD-ROM drive or if you have a mini Netbook that comes without CD/DVD-drive and would like to upgrade it to Windows 7. Microsoft has provide a nice little tool called the Windows 7 USB/DVD Download Tool. What this little tool does is to take an ISO image of Windows 7 and easily extract Windows 7 files to a USB flash drive.

Install Windows 7 from USB Requirements:

  • You’ll need a minimum of a 4GB USB flash drive to dedicate to the Windows 7 installation files.
  • Make sure that you have already purchased and downloaded the Windows 7 ISO file to your hard drive from Microsoft Store.
  • Windows XP SP2, Windows Vista, or Windows 7 (32-bit or 64-bit). For Windows XP Users: The Microsoft .NET Framework v2 and Microsoft Image Mastering API v2 must be installed prior to installing the Windows 7 USB/DVD Download Tool.
  • Pentium 233-megahertz (MHz) processor or faster (300 MHz is recommended).
  • 50MB of free space on your hard drive.
  • You should download and install the Windows 7 USB/DVD Download Tool.

To install Windows 7 from USB/DVD Download tool.

1) Click here to download the Windows 7 USB/DVD Download tool installation file.

2) When it prompted to either save the file to disk or run it, I selected Run button.

InstallWindows 7 from USB

Once you click on Run button, you might see the "Internet Explorer - Security Warning dialog box", click on Run button again.

3) Click on Next, click Install and then click on Finish in "Windows 7 USB/DVD Download Tool Setup" dialogs boxes, You'll have the option to specify where to install the Windows 7 USB/DVD Download tool and whether to create shortcuts on your Start Menu or Windows Desktop.

To make your USB key Windows 7 Bootable

1) Click the Start InstallWindows 7 from USB, and then click on Windows 7 USB/DVD Download tool in the Start Menu list to open the Windows 7 USB/DVD Download tool.

InstallWindows 7 from USB

2) In the Source File dialog box, click Browse button and select the Windows 7 ISO file in the Open dialog box, or type the name and path of your file.

InstallWindows 7 from USB

3) Select USB to create a copy on a USB flash drive, then click Next button.

InstallWindows 7 from USB

4) Select your USB device in the dropdown list and click Begin copying button.

InstallWindows 7 from USB

When your Windows 7 ISO file is copied onto your USB flash drive, you can then boot from USB key and install or upgrade Windows 7 to your netbook. You can also use it to install Windows 7 on other computers with optical drives, as you can find that it speeds up the already fast process.

Also make sure the computer on which you want to install Windows 7 from USB key has the boot from USB device option selected in the BIOS, reboot and the Windows 7 installation process should begin.

You can also install Windows 7 by navigating to the root of your USB flash drive and double-clicking Setup.exe.

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