If you have a Windows 8 or 10 installation USB drive, you can use it to run the Bootsect utility. To do this, boot from it and on the welcome screen, click 'Repair your computer'. Next, select Troubleshoot and then select Command Prompt. Here is the command, after which you need to press Enter: bootsect / nt60 sys. This will help you solve your. Easy2Boot is a free., highly-configurable USB drive multiboot software with support for Secure UEFI booting. It is one of the most useful bootable media tool being both small and fast. The downloadable app allows you to create a multiboot USB on a standard USB flash drive, but it also supports external USB drives (both SSDs and HDDs).

When you download Windows from Microsoft Store, you have two options: You can download a collection of compressed files, or you can download an ISO file. An ISO file combines all the Windows installation files into a single uncompressed file.


If you choose to download an ISO file so you can create a bootable file from a DVD or USB drive, copy the Windows ISO file onto your drive and then run the Windows USB/DVD Download Tool. Then simply install Windows onto your computer directly from your USB or DVD drive.

When you download the ISO file, you must copy it onto a USB or DVD. When you're ready to install Windows, insert the USB drive or DVD with the ISO file on it and then run Setup.exe from the root folder on the drive.

This allows you to install Windows onto your machine without having to first run an existing operating system. If you change the boot order of drives in your computer's BIOS, you can run the Windows installation directly from your USB drive or DVD when you first turn on your computer. Please see the documentation for your computer for information about how to change the BIOS boot order of drives.

Making copies
  • To install the software, you can make one copy of the ISO file on a disc, USB flash drive, or other media.

  • After you’ve installed the software and accepted the license terms that accompany the software, those license terms apply to your use of the software. The license terms for Windows permit you to make one copy of the software as a back-up copy for re-installation on the licensed computer. If you do not delete your copy of the ISO file after installing the Windows software, the copy of the ISO file counts as your one back-up copy.

If you need to download the software again, you can go to your Download Purchase History in your Microsoft Store account and access the download there.

This task will take some time, but the result is worth it! You’ll get your own Windows bootable USB flash drive using only the system utilities and archiver manually!

1. Distribution

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To get started you need to have one of Windows distributions: Windows Installation dvd or Windows ISO file

If you currently do not have any of them, don’t worry, it’s extremely simple to get Windows ISO from Microsoft website! Let me show, where you can download it.

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2. Archiver or Imaging Tool(only for ISO, if you have DVD go to point three)

For completing the task, you will need copy all distribution content to USB drive, so if you have a Windows ISO file, you will also need Archiver, like 7z or your regular archiver. Alternatively you can use disk imaging tool, like “DAEMON Tools” to mount ISO and use it as usual physical drive. I prefer simple, lightweight and free archiver 7-zip, that you can download here.

3. USB flash drive with at least 4 GB of free space


You will not have to format it, so it can contain some data, that will not be lost. Only one mandatory requirement is enough free space for placing unpacked distribution on your thumb drive.

Maybe leave creating bootable USB for WinUSB?;)

1. Plug the USB flash drive you want to make a bootable. For example, I use flash drive named WINUSB.

2. Copy from DVD or unpack from ISO all content of Windows distribution that you have to pen drive. I use 7-zip for unpacking, and you can use any file archiver for you chose.

After the files have been placed, let’s make your flash drive bootable!

Second step – Make your Windows USB drive bootable

1. Make the main partition of USB stick active that mark it as bootable.

We solve this task using simple Microsoft tool for manage disks, partitions or volumes -Diskpart. For launch Diskpart you have to click “Start” menu button and type “diskpart” in “Search programs and files” line than double click on diskpart.exe program.

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List disk

After Diskpart started, type “list disk” command and click “Enter”. You see list of physical disks mounted to your PC. Choose your flash drive, you can find it by size.

Select disk [ your disk index ]

Type “select disk [ your disk index ]” in command line and click “Enter”. It will point diskpart that you work with selected disk. In my case index equals 1.


Select partition 1

Type “select partition 1” in command line and click “Enter”. It will point diskpart that you work with first partition of disk.


Type “active” and click “Enter” that marks partition as available to boot.


Now when drive marked as bootable, type “exit” and click “Enter” that will close Diskpart.

Last step – Set master boot code of USB drive partition to BOOTMGR.

Master boot code(MBC) is the “program” that allows start Windows installation from your pen drive. For writing boot code to boot sector of your drive, you have to use one more Microsoft tool, named Bootsect, you can find it in distribution files that you have already unpacked or copied to flash drive.

Bootsect is now placed in the folder below:

Bootsect File

[You flash drive]bootbootsect.exe

For completing the task, you need come back to console by clicking “Start” menu button and run cmd.exe as administrator. Go through the steps shown on screenshot below:

When command prompt is started, navigate to “boot” directory of your flash drive( it’s drive “h:” in my case ) using commands below and run bootsect command.

1. “[drive letter]:”

This command moves the command prompt to you USB stick.

2. “cd boot”

Moves the command prompt pointer to boot directory where bootsect.exe is located.

3. “bootsect /nt60 [drive letter]: /mbr

Makes Master Boot Record and Masted Boot Code of you pen drive to be able to run Windows installation.

See full work process on screenshot below:

Congratulations! Now you have you own bootable windows install usb flash drive!

That’s it. It has been nice to work with you =)