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USB Drive and Windows 8

by maddyacca

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Follow the guide if you want Windows 8 without disturbing your current operating system.Complete guide to Install Windows 8 on USB Flash Drive or a Pen Drive, use windows 8 in a USB by following this guide to Install Windows 8 on USB Flash Drive.

Guide To Install Windows 8 on USB Flash Drive:

PC World is set into motion again with the introduction of the brand new definitely improved edition of Windows 8 to Microsoft’s OS. All the loyal Windows users must be desperately waiting to get their hands on new Windows 8 Preview. It can be quite a job to install Windows 8 when you already have other versions like Windows 7 or XP are already operating on your PC. All the lined up tasks of creating back up for your data, making space for required OS, reinstallation etc. can occupy the major part of your time. To top it off, there is always the unnerving task of transferring the ISO file to a USB pen drive or a DVD for the installation process. You can skip all these steps and experience the new Windows 8 by getting it in half the time it usually takes.

Without interfering with your currently installed system, this guide will get you to install the new Windows 8 on a USB device instead and run it directly from this USB. No need to carry out all the processes the installer asks you to when you are installing it on PC. Just download some stuff like 16GB or more USB storage drive, the Windows 8 ISO file, WinRAR archiver and ready your PC. Using USB storage might create speed issues. It’s better to use an external USB drive.

Step 1: Windows 8 ISO file extraction


You can start the process if you already have Windows 7 and WinRAR installed on your computer. The first thing to do would be to go to Windows 8 ISO file and extract ‘install.wim’ file. It will be found in a folder labeled ‘Sources’. Since it has a Windows 8 set-up file, its size will be 2GB. Extract this file to your desktop. After this download a small service file of 500 KB named ‘GimageX’. You can get it from the link ‘’ and once you download it extract it into a folder to your desktop. You will have both the 32-bit and 64-bit files and must select that is appropriate for your system. Next step is to use the USB drive but before proceeding back up the data in the drive because you will need to clear the drive for the process.

Step 2 Command prompt


Plug your USB drive in the port and wait till the system detects to install it. After driver installation, open the Windows Command Prompt. In the specified sequence, give the commands one by one:

  • Diskpart (This will prompt repartition and ultimately format the USB drive, save any files in USB you had beforehand)
  • List disk (All drives from your system will be listed. Locate your USB drive number and note it down)
  • Select disk # (Instead of # type the USB drive number you noted down earlier)
  • Clean (The partition table will be swiped clean from the USB drive)
  • Create partition primary (For the creation of a primary partition)
  • Select partition 1 (For all the next processes  primary partition will be selected process)
  • Format fs=ntfs quick (From the NTFS file format the primary partition will be formatted)
  • Assign (The new partition will be given a drive letter for Windows to recognize it and work further process on it This)
  • Active (The new partition will be activated to allow booting)
  • Exit (DISKPART service will be closed)

Your drive is now fully prepared for the operating system to be installed hence go to GimageX utility and select ‘apply’. You will see the source field; indicate the earlier extracted Windows ISO file named ‘INSTALL.WIM’.  For the destination field you will pick the USB drive letter. All other settings will ramin as are, just click ‘Apply’ button. Your system files from Install.wim won’t be extracted by GimageX on your USB drive. The speed of this entire process will be according to your USB drive whereas by default it should take only a few minutes.

For any regular pendrive the time consumed should be similar to an external 2.5-inch USB storage drive. When GimageX indicates process is completion, exit the utility and open Command Prompt. For the Windows 8 to run, you need your USB drive to be bootable. This can be achieved by merely giving the following command in the command prompt.

Step 3


F: is the storage drive in which all your Windows 8 files are extracted by GimageX. Don’t forget to change the previous drive letter. Within some seconds the booting files will be transferred. Once done, exit the command prompt.

GimageX utility


And you are good as done. Shut down your computer, go to BIOS. From there enable the boot from USB drive and restart the computer again. This will make your computer boot into Windows 8 straight from the USB drive. One last tiny thing is to give the serial key and type in username and password specifics. Your Windows 8 is ready to be used. All the drivers, software and applications you install will directly be installed on the USB drive except if you have given some other path before. Explore as you wish!

Step 5 Command prompt


If you are linking Microsoft Live account with this installation, be sure the internet is connected. You now have the portable Windows 8 system in your pendrive. To return back to your older system just shut down your PC and plug the drive out. Also, you can plug it in any other computer and Windows 8 will run on that PC.

You also have the advantage of using this procedure to install it on an internal hard drive instead and skip the DVD ROM process for entire installation.

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