3 Methods to Create Bootable USB Windows 10 [Full Guide]  

3 Methods to Create Bootable USB Windows 10 [Full Guide]


Why create a bootable USB in Windows 10?

In most cases, when the Windows 10 operating system goes wrong and the PC starts to run slowly or even stop working properly, your first move will be searching online for a solution. If lucky, you can get an effective solution to fix this issue. If not, the last resort should be reinstalling the operating system from the DVD or CD. What if your PC does not have an optical drive, or the original installation DVD is not available any longer?

In this situation, a bootable USB installer is a great alternative, which allows you to reinstall Windows 10 from a USB drive. Briefly, the USB stick is portable and compatible with nearly all desktops or laptops. After all, a USB port can be found on every PC. Besides, installing OS from USB drive is also quicker than from DVD or CD. Therefore, more and more users like to make a bootable USB installer to keep handy.

3 Methods to make a bootable USB drive for Window 10

In this part, we would like to share 3 different methods with you to make a bootable USB flash drive so that you can install OS more flexibly. Without any further ado, let's get started...

Note: no matter which method you will choose finally, please ensure you have a copy of the required files stored in USB stick because it will be erased in the process. Free Qiling Disk Master is recommended for this backup task.

1. Create bootable USB Windows 10 via CMD

First of all, we will demonstrate how to make a bootable USB using Command Prompt. Download the Windows 10 ISO files from the official site and make sure the USB flash drive has at least 5GB free space.

Step 1. Press "Win+R" at the same time to open "Run" dialogue. Input "cmd" and hit on "Enter" key.

Step 2. When the Command Prompt window opens, type "diskpart" and press "Enter" to launch DiskPart.exe tool. Then execute the following command in sequence.

list disk
select disk #
clean
create partition primary
select partition 1
format fs=ntfs quick (To create UEFI bootable USB, format it as FAT32 with command "format fs=fat32 quick" instead)
active

Create Bootable Usb Cmd

After you format the USB flash drive and set the primary partition as active, type "Exit" to close the diskpart.exe. Then use File Explorer to copy and paste the entire contents of the Windows ISO to the USB flash drive.

What if file copy fails?
If the Windows image file is over than 4GB, surpassing the file size limit of FAT32 file system, you will fail to copy files onto the USB flash drive. Once it happens, do as below:
1. Copy everything except the Windows image file (sources\install.wim) to the USB drive (either drag and drop, or use the following command, where D: is the mounted ISO and F: is the USB flash drive.)
robocopy D: F: /s /max:3800000000
2. Split the Windows image file into smaller files, and copy them onto the USB drive:
Dism /Split-Image /ImageFile:D:\sources\install.wim /SWMFile:F:\sources\install.swm /FileSize:3800

2. Make bootable Win 10 USB via Windows USB/DVD Download Tool

Secondly, you can make use of the Windows USB/DVD Download Tool. It can create a copy of ISO files onto USB flash drive as an installer.

Step 1. Download Windows USB/DVD Download Tool.

Step 2. Run it. In the Source box, type the name and path of your Windows ISO file, or click BROWSE and select the file from the OPEN dialog box. Click "Next".

Windows 7 Usb Dvd Download Tool Step1 Choose Iso File

Step 3. Select USB DEVICE to create a copy on a USB flash drive.

Windows 7 Usb Dvd Download Tool Step2 Choose Media Type

Step 4. Choose your USB drive and click "Begin copying".

Windows 7 Usb Dvd Download Tool Step3 Insert Usb Device

After it is finished, install Windows by moving to the root folder of your USB drive, and then double-click Setup.exe.

3. Make bootable USB via MediaCreationTool

Considering that most users tend to use MediaCreationTool, so here we also illustrate how to use this tool to create bootable USB in Windows 10.

Step 1. Download MediaCreationTool and run it as an administrator.

Step 2. Select "Accept" in the license terms screen.

License Terms

Step 3. Select "Create installation media for another PC", and then select Next.

Create Installation Media

Step 4. Choose the language, edition, and architecture (64-bit or 32-bit) for Windows 10.

Select Language

Step 5. Choose "USB flash drive" and click "Next".

Choose Usb Flash Drive

Step 6. Choose your prepared USB drive from the list, then "Next".

Select Drive

Step 7. Once done, the tool will start to download the latest Windows 10 installation files to your device.

When it is over, this data is written to your flash drive and the USB is made bootable with the newest Windows 10 setup.

Further study: create bootable USB to run Win 10 from flash drive

Above content is all about how to make a bootable USB stick to install OS. If you do that for running Windows 10 operating system on another computer with an older operating system, you can run Windows 10 directly through a bootable USB drive. For this purpose, you can turn to the free partition manager: Qiling Disk Master Standard. It is compatible with all editions of Windows 10/8/7 and Windows XP/Vista. With it, you can create Windows bootable USB drive with ISO files. Below is the detailed instruction:

After it is done, you can insert the bootable USB to the target computer, change boot order in BIOS and boot PC from it.

If you want to create bootable USB drive with current operating system installed on your computer, you can upgrade to Professional. That also enables you to run Windows from USB on Mac.

Summary

In this article, we shared 3 different ways to create bootable USB in Windows 10 as an installer, plus an additional way to make a portable boot USB to run OS on any other computers. Choose one according to your specific requirements. If you plan to create a bootable USB to repair boot issues caused by damaged MBR or disk errors, the Qiling Disk Master Standard can also help you a lot.

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