Install Windows 7 From USB Drive [Requires 2 Simple Steps]

I have found a much easier way to install Windows 7 from a USB Flash drive. Unlike other methods where you have to write complicated commands, this method can be completed even by those who have very little computer background.

The whole process takes only two steps, run UNetbootin, load the Windows 7 ISO file, and finally restart your computer. See how we installed Ubuntu from USB using UNetbootin here.

Before you begin, you will require the following:

  • USB Flash Drive (4GB minimum)
  • Windows 7 ISO Image file
  • UNetbootin

Note: If UNetbootin doesn’t work, try out the Microsoft’s official tool called Windows 7 USB/DVD Tool.

Now insert the USB drive, run UNetbootin, and select Disk Image as ISO. Browse your local drive for Windows 7 ISO that you downloaded and click Open. Now Select Type as USB and choose the drive. Once done, it will look like a bit similar to the screenshot shown below.

UNetbootin main windows  7

Click OK and it will begin extracting all installation files to the USB drive. The whole process will take some time(10-15 minutes), so have patience.

unetbootin installing windows 7 iso

Once the installation is complete, reboot your computer. Now while your system is starting up press the appropriate button(usually F1, F2, F12, ESC, Backspace, or Escape) to bring up Bios Boot Menu. Change the startup order to boot USB by default, usually you will have to press F6 to move the selected USB device on top. Once done, save changes and restart the system.

windows 7 install screen - boot

Windows 7 installation screen on my HP Dv5t laptop.

Wasn’t that easy? Enjoy!

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57 Comments

  1. Stephen
    Posted May 27, 2009 at 11:49 am | Permalink

    Dude, thank you so much. I’ve been looking for an easy way to mount this from file onto a jump drive without the .ISO, and this seems to be the only logical way.

    • Posted May 27, 2009 at 1:59 pm | Permalink

      It’s not only logical, but it actually works! Since I have tested it myself. :)

  2. zakir
    Posted June 10, 2009 at 10:42 am | Permalink

    very simple method .. nice will give it a try tmmorow . need to find a usb drive first :P

  3. ArchiMark
    Posted June 16, 2009 at 4:37 am | Permalink

    Great idea…

    I’ve followed instructions and when I reboot, UNetbootin window appears on screen, Default is highlighted near top of window and at bottom it says “Automatic boot in x seconds….”. Once it does countdown to 1 second it just starts countdown over again saying “Automatic boot in 10 seconds….” and starts countdown again and again, etc…

    So, never boots into Win7 installer….

    Any suggestions???

    Thanks!

    • Posted June 16, 2009 at 9:48 am | Permalink

      This seems to be a weird error that I have never heard of before. You can try re-installing it on your USB and give it another try. :)

    • Ravi Gupta
      Posted June 20, 2009 at 9:25 am | Permalink

      You are facing this issue because your flash drive is not using NTFS file system. Right-click your flash drive, click Format and choose NTFS in the file system drop-down. After this you can follow the method in the guide.

      • Posted August 14, 2010 at 3:06 pm | Permalink

        Not necessarily, I used NTFS and still get this error. I am beginning to believe it is an issue that you get when using Win 7 32bit to create a Win 7 64bit image.

  4. Nick
    Posted June 24, 2009 at 11:02 pm | Permalink

    Does it have to be a flash drive or will an external hard drive work as well?

    • Posted June 25, 2009 at 9:15 am | Permalink

      I haven’t tested it with an External Hard drive, but it may work. You can try it out and let us know. :)

  5. Steve
    Posted August 22, 2009 at 11:59 am | Permalink

    Nice Article… and saved my time as I seen this while I was doing disk part. thanks. I should add a note for the version of unebootin is matter you to do. I tried it with Version 3.19 but did not work. Download latest one. Cheers

  6. pole
    Posted September 4, 2009 at 11:17 am | Permalink

    Will this work for an upgrade?

  7. Tanny
    Posted September 7, 2009 at 12:24 am | Permalink

    This works…make sure you format your USB drive as NTFS. Thanks!

  8. J
    Posted September 10, 2009 at 1:42 am | Permalink

    My USB is format with NTFS, I follow the guide and what I got is “No bootable partition in table”

    Any ideas how this can be fix?

  9. SyntaxError
    Posted September 12, 2009 at 6:34 am | Permalink

    Doesn’t matter if you format your flashdrive in Fat32 or NTFS, it simply doesn’t work. Either way it just boots into a menu that does absolutely nothing. I only tried it with Win7 RTM, so who knows how it might work with other operating systems.

  10. fere
    Posted October 20, 2009 at 3:42 pm | Permalink

    NOT WORK for me

  11. NIck
    Posted October 24, 2009 at 8:26 am | Permalink

    thank you

  12. Splash
    Posted October 24, 2009 at 2:30 pm | Permalink

    Does this RTM work on Desktop or laptops only?

  13. Posted October 27, 2009 at 10:26 am | Permalink

    Microsoft has a tool available that can do this much easier. download it here http://images2.store.microsoft.com/prod/cluster...

  14. Eric
    Posted October 30, 2009 at 4:49 pm | Permalink

    When i reboot i get an error “NTLDR is missing”.
    Any ideas what to do?

  15. brahino
    Posted November 7, 2009 at 2:08 am | Permalink

    My Flash disc is damage and I will pring another

  16. u dont need to know my name
    Posted November 10, 2009 at 12:55 am | Permalink

    external hard drive didnt work for me.

  17. bob
    Posted November 12, 2009 at 12:03 am | Permalink

    where do i get the Windows 7 ISO Image file?

  18. lonirop
    Posted December 9, 2009 at 10:26 am | Permalink

    i am using unetbootin in ubuntu, and i want to create a usb bootable win xp…is it possible?

  19. txabo8
    Posted December 14, 2009 at 7:26 pm | Permalink

    No work for me.
    No extract any file in the second operation and only copy the Syslinux in root directory of USB. When i reboot computer the default option bucles eternity.
    I copied the ISO content to the root directory and no work again… (how is the USB directory structure in yours exitous PENS?) xD
    Finaly i tried the oficial Microsoft Windows 7 USB/DVD Download Tool but i think that this utility requiers original ISO file (for me no work…)
    Sorry for my horrible English, and i hope we learn something tonigth…

  20. txabo8
    Posted December 15, 2009 at 12:26 am | Permalink

    No work for me.
    No extract any file in the second operation and only copy the Syslinux in root directory of USB. When i reboot computer the default option bucles eternity.
    I copied the ISO content to the root directory and no work again… (how is the USB directory structure in yours exitous PENS?) xD
    Finaly i tried the oficial Microsoft Windows 7 USB/DVD Download Tool but i think that this utility requiers original ISO file (for me no work…)
    Sorry for my horrible English, and i hope we learn something tonigth…

  21. txabo8
    Posted December 15, 2009 at 5:26 am | Permalink

    No work for me.
    No extract any file in the second operation and only copy the Syslinux in root directory of USB. When i reboot computer the default option bucles eternity.
    I copied the ISO content to the root directory and no work again… (how is the USB directory structure in yours exitous PENS?) xD
    Finaly i tried the oficial Microsoft Windows 7 USB/DVD Download Tool but i think that this utility requiers original ISO file (for me no work…)
    Sorry for my horrible English, and i hope we learn something tonigth…

  22. qwertyology
    Posted January 9, 2010 at 10:24 pm | Permalink

    Does anyone know what it mean when you did everything right, buy upon boot from the usb, the screen goes black with a little underline thing blinking and nothing else.

    • matt
      Posted July 23, 2010 at 2:31 am | Permalink

      it means you didn’t do something right.

  23. Posted March 3, 2010 at 2:25 pm | Permalink

    I just want to know how to install Windows 7 or Windows XP from the same USB.
    You know both install in the same USB and choose which one install from the USB

    Many thanks

  24. zaza98
    Posted March 5, 2010 at 2:12 pm | Permalink

    this one doesnt work for me at all whenever i try its say try to reformatting it as fat 32 thats wat im fucking doing since mornin…any solution?

  25. zaza98
    Posted March 5, 2010 at 2:12 pm | Permalink

    this one doesnt work for me at all whenever i try its say try to reformatting it as fat 32 thats wat im fucking doing since mornin…any solution?

  26. unetbootin usr
    Posted March 5, 2010 at 10:15 pm | Permalink

    I Have a problem, It copies the files ok, but on the boot page does not start just keeps restarting the boot page is it the iso file that i installed or the flashdrive whats wrong
    it won't go past the boot page plz help.

  27. Curt
    Posted March 7, 2010 at 9:24 am | Permalink

    Okay, laugh if you want, but i was trying this from win98, it worked fine… well untill i chose the unetbootin boot option…. then it just starts trying to read from the floppy drive???? why? and is there any other way i can do this???? i have no internet acces on the computer im trying to install it to and it cant read dvds, but i cann transfer files from this compter to it .. help plz if u can …

  28. JR
    Posted March 7, 2010 at 9:47 am | Permalink

    The problem with UNetBootin (current version 408) is that it boots SysLinux and runs its menu from there. You can get out of the menu to the boot prompt (Esc key), but Windows setup.exe isn't an executable file under Linux, so I don't see any way this is ever going to work.

    If you look at UNetBootIn's website, they divide Linux distros into those whose installations are supported, those which can be booted, and those which can't. There's also a short list of other supported bootable apps. So it isn't even reliable for Linux, never mind Windows.

    If you look at SysLinux's configuration, it is possible to set it up to boot NT, but you'd need to update syslinux.cfg and provide some more files. UNetBootIn has set it up to run a Linux boot menu.

    Maybe previous versions worked differently?

  29. mohankrish420
    Posted March 15, 2010 at 4:31 am | Permalink

    wat de jr said i too aggre tht is not working for windows …….its fully relaible for linux only thts de problem ……. can u said any thing different version works properly …….its not supporting for the portable live version also …!

  30. ralph
    Posted March 16, 2010 at 4:08 pm | Permalink

    easy dude :P

    unetbootin windows and linux distros just depend on the machine ur installing the unetbootin, it has nothing to do with the OS u wanna boot from ur USB hard disk drive.

    hope it helps;)

  31. ayoosh
    Posted April 6, 2010 at 6:26 am | Permalink

    Hey guys tried a lot but failed to do so. Reason was that i was using XP. This is beacuse Xp’s version of diskpart doesnt recognize USB as a disk when we type list disk . Thus Game Over. But still I found a video that shows you how to make bootable usb on xp.

    http://www.metacafe.com/watch/4405749/install_w...

  32. ayoosh
    Posted April 6, 2010 at 6:27 am | Permalink

    Hey guys tried a lot but failed to do so. Reason was that i was using XP. This is beacuse Xp’s version of diskpart doesnt recognize USB as a disk when we type list disk . Thus Game Over. But still I found a video that shows you how to make bootable usb on xp.

    http://www.metacafe.com/watch/4405749/install_w...

  33. John
    Posted April 12, 2010 at 9:49 am | Permalink

    ThanX

  34. Posted April 21, 2010 at 10:55 pm | Permalink

    This is very awesome. This is also unbelievable. Thanks for unetbootin……….

    • bob
      Posted April 23, 2010 at 10:13 am | Permalink

      u get it to work?

  35. Posted April 26, 2010 at 2:19 pm | Permalink

    I have no boot menu on my laptop.
    And installation Windows 7 DVD was scratched.
    What i did was:
    1) download windows 7 installation ISO;
    2) unpack it on flash drive;
    3) boot from any installation CD/DVD (just to get close
    to command promt);
    4) format c:;
    5) copy contents of flash drive to c:;
    (xcopy f:*.* c:);
    6) reboot.
    The PC will boot from c: as it was some DVD and will actually install Windows on itself.

  36. Darius
    Posted April 29, 2010 at 8:46 pm | Permalink

    The obvious problem under XP is that diskpart doesn’t support removable disks. I just ran across a nice app called Bootsage that works great under Windows XP as well. Link here: http://firesage.com/bootsage

    • Manoj
      Posted July 15, 2010 at 1:01 pm | Permalink

      I am getting the Error 730 which says cannot format the USB. Unknown error.
      What next?

  37. Juan
    Posted May 24, 2010 at 2:08 am | Permalink

    Wait, what if i don’t want to install windows were im doing all of the files. Please help

  38. Posted June 5, 2010 at 4:24 pm | Permalink

    here is a very simple way of doing that:

    dd if=windows.iso of=/dev/usb

    for windows users get dd from the net. All *nix osx should have it installed by default.

  39. matt
    Posted June 14, 2010 at 12:14 am | Permalink

    awesome but now my keyboard doesn’t work

  40. Posted June 14, 2010 at 1:07 am | Permalink

    Please do not use this method, it took 5 hours to write the iso to the disk, the disk wouldn’t install the os and i tried 3 different 8gb sticks, i destroyed them all and they are corrupt. big waste of time and money

    • Dan
      Posted July 22, 2010 at 5:23 pm | Permalink

      You “corrupted” 3 8gb sticks? You’re officially a lying idiot.

      reformat it dumbass.

      • Posted July 27, 2010 at 7:11 am | Permalink

        hahahaha 3 8 gig sticks if you did you just failed got it to work first time :P

  41. Mishie
    Posted July 31, 2010 at 10:52 am | Permalink

    This is SO easy and IT WORKS! (wish I found it earlier! – Thanks so much for your instructions Nakodari!)

    I followed a few instructions on the net including this one:
    http://www.maximumpc.com/article/howtos/how_to_install_windows_7_beta_a_usb_key?page=1%2C1

    But failed miserably up to the point of doing the Bootsect.exe /nt60 H: (my drive was H) (keep saying access denied) So I picked it up from there and downloaded UNetbootin on my current (Window7) machine. The goal was to upgrade from XP to Window 7 Ultimate (ISO file) on my CD/DVD Drive-less Acer Aspire One Netbook and everything worked without a glitch.

    The only thing that I should mention was that after Windows 7 has finished installing it requires restarting again to complete the process. At that final restart I had to pull the USB out of the drive (remove the boot disk? lol) to prevent the computer from running the whole process again.

    After that it just runs through the initial setup process with the date/times, wifi, etc.

    Thanks again for the great tutorial! :)

  42. Posted August 14, 2010 at 3:03 pm | Permalink

    Using Win 7 32bit and Unetbootin on my laptop to create an image for Win 7 64bit to install on my PC but it won’t work. I’ve tried Fat32 and NTFS but neither works.

    I also tried DiskPart but got this error message “This version of F:boot\bootsect.exe is not compatible with the version of Windows you’re running. Check your computer’s system information to see whether you need a X86 (32-Bit) or X64(64-Bit) version of the program, and then contact the software publisher.”

    Do I have to put up with Win 7 32bit?

  43. odotan
    Posted August 16, 2010 at 11:27 am | Permalink

    The easiest method yet

    OFFICIAL AND FREE FROM MICROSOFT

    http://store.microsoft.com/help/iso-tool

  44. noone
    Posted August 17, 2010 at 6:15 am | Permalink

    It isworking randomly. One time is working another one not. It is the f**ng unbnutu ,, what a fu..ing name

  45. Posted August 17, 2010 at 6:20 pm | Permalink

    Actually speaking this method sometime works or sometimes gives me error @ the bootscreen itself.Truth is it worked for me @ first.Dunno whats wrong now!Anyway there are a few more alternatives to this like using microsoft tool or use WintoFlash utility like the one mention here:http://sunil-bhaskar.blogspot.com/2010/08/windows-7-installation-from-usbflash.html

  46. Dave
    Posted August 18, 2010 at 8:42 am | Permalink

    This is so great thank you!!! I’ve read so much BS and this is by far the best advice on the Internet for installing windows from a jump drive!! I installed Windows 7 USB/DVD Tool , not the unetbootin and it’s working great!! My problem was some code 5 error when I tried to install Windows 7 from the DVD drive on a brand new hard drive. Every website I read NEVER gave an option for installing Windows 7 from a USB drive onto a brand new hard drive! Sure if I had XP already on there using the DVD would be no problem! But I can’t believe there is really nothing out there for people who are installing windows on a brand new hard drive with no OS! Any how thank you again! I’ve installed Windows on probably 100 different computers over the years and it’s CRAZY how it ALWAYS different!!!!!!!! Well I guess I should not complain…I work for a company who provides tech support for businesses with windows environments…and if windows didn’t suck and have so many issues…we would not be in business! :)

  47. Anish
    Posted August 23, 2010 at 12:47 pm | Permalink

    Hey, how should i create a bootable os disk without the help of a floppy drive successfully?

7 Trackbacks

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  3. [...] bootable, nor do you need to buy or use ISO tools to extract the content. All you have to use is UNetbootin and change the bootable drive to USB from Bios settings. So wait…umm…is this all? Yes that is [...]

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