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Making a Bootable USB pen

 

Installing an operating system from a USB drive bring several advantages: USB drivers are small, USB drives transfer data quicker than CDs, and they are generally more convenient. In this guide, you’ll learn how to install Windows 7–or any operating system–from a USB thumb drive.

UPDATE: You can download the RTM versions of Windows 7 Ultimate, Professional, and Home Premium here (64/32-bit available.)

Preparing Your USB Drive

To prepare your USB drive, do the folllowing:

  1. Use a thumb drive that you don’t mind deleting everything from
  2. Press WINKEY+R to Open the Run dialogue (Start, type run, click run)
  3. Type diskpart and hit Enter (If you don’t have diskpart, get it here)install usb02 Use a USB Key to Install Windows 7 (Or any OS)
  4. Run the list disk commandinstall usb03 Use a USB Key to Install Windows 7 (Or any OS)
  5. Run select disk 3 where the “3″ is the corresponding number of your USB driveinstall usb04 Use a USB Key to Install Windows 7 (Or any OS)
  6. Run cleaninstall usb05 Use a USB Key to Install Windows 7 (Or any OS)
  7. Run create partition primaryinstall usb06 Use a USB Key to Install Windows 7 (Or any OS)
  8. Run active to make the partition activeinstall usb07 Use a USB Key to Install Windows 7 (Or any OS)
  9. Run format fs=fat32 quick to format the drive as Fat32install usb08 Use a USB Key to Install Windows 7 (Or any OS)
  10. Run assign to give the drive a letterinstall usb09 Use a USB Key to Install Windows 7 (Or any OS)

Putting Windows 7 Installation Files on a USB Drive

This guide will show you how to do put the Windows 7 Installation files on a USB drive; however, this method can be applied using an operating system’s installation files.

To put the operating system’s installation files on a USB drive, do the following:

Using the Install DVD

  1. Put the installation DVD in your DVD drive
  2. Open Computer, right click on the DVD drive and click Explore
  3. Select all the files (CTRL+A) on the DVD and copy them (CTRL+C)
  4. Paste (CTRL+V) the files on the previously-formatted thumb drive

Using an ISO Image

  1. Locate the ISO file
  2. Open the file with a utility capable of browsing ISO images (7 zip works well)
    1. Download 7zip and install it
    2. Right click the ISO file and select 7-Zip > Open Archive
  3. Extract the contents of the ISO to your previously formatted hard drive