How to Burn an ISO File to a USB Drive

How to Burn an ISO File to a USB Drive

Here we can see, “How to Burn an ISO File to a USB Drive”

Instructions for ‘burning’ an ISO image to a USB flash drive in detail.

So you’ve got an ISO file that you’d like to put on a flash drive or other USB storage device. You should also be able to exit it. Doesn’t it appear to be simple? You’re done once you’ve copied the file over. Unfortunately, it isn’t as simple as that.

How to Use Rufus to Burn an ISO to a USB Drive

This method can also be used to burn a Windows 11 ISO to a USB drive. It is, however, recommended to do it using Microsoft’s Windows 11 media creation tool.

Time allotted: It normally takes less than 20 minutes to “burn” an ISO image file to a USB device, such as a flash drive, but the total duration depends a lot on the size of the ISO file.

1. Rufus is a free utility that will properly prepare your USB drive, automatically extract the contents of the ISO file you have, and properly copy the items contained within it to your USB device, including any files in the ISO that are required to make it bootable.

Rufus is a portable (non-installing) tool that will “burn” an ISO image file to any USB storage device you have. It works on Windows 11, 10, 8, and 7.

2. Rufus should now be open in the version you downloaded. The program will begin immediately.

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Rufus is a portable application, which can be executed without modification. This is one of the main reasons we prefer this ISO-to-USB converter to some of the other available solutions.

3. If it isn’t already hooked in, plug the flash drive or other USB device into your computer where you want to “burn” the ISO file.

4. Choose the USB storage device you want to burn the ISO file to from the Device drop-down menu at the top of Rufus.

Rufus displays the USB device’s size, drive letter, and space on the drive. If you have more than one device plugged in, use this information to double-check that you’re selecting the proper one. Don’t worry about the indicated free space; you’ll be deleting the entire drive as part of this procedure.

5. Make sure Disk or ISO image (Please select) is selected from the Boot selection drop-down.

6. Select SELECT.

7. Locate and pick the ISO image you wish to burn on the flash drive, then put it into Rufus by pressing the Open button.

8. Allow the software to inspect the ISO file you selected. This could take a few seconds or happen so quickly that you don’t notice.

If you see this and it’s the case, select Standard Windows installation from the Image choice section.

If you’re putting a Windows installation ISO image onto a flash drive and this option appears, you should definitely enable it.

9. Unless you know what you’re doing or have been encouraged to change any of the parameters, leave the Partition scheme, Target system, File system, and Cluster size options alone.

For example, if you’re burning to USB, a bootable utility you got in ISO format may have said on its website that the file system should be FAT32 rather than NTFS. If that’s the case, make the necessary changes before proceeding.

10. You can add a custom volume label in the Volume label area, but it shouldn’t affect anything if you leave it at whatever the default is or even blank.

11. You’ll find many format options under Format Options beneath the Show advanced format options menu.

12. You can leave them all set to default, but if you’re concerned that the flash drive or USB device you’re using might have a problem, you can select Check device for faulty blocks.

13. To begin “burning” the ISO file to the USB device you selected, select START.

14. Read any warning warnings and take action as needed.

For example, when the message WARNING: ALL DATA ON DEVICE ‘XYZ’ WILL BE DESTROYED appears, select OK.

If Rufus needs extra files to finish the burn operation, you may receive a Download required warning. If you choose Yes, the download will begin.

15. Wait as Rufus formats the USB drive to make it bootable, then copies all of the files from the ISO image you selected earlier to the disk.

The amount of time it takes to complete this task is highly dependent on the size of the ISO file you’re working with. Small diagnostic tools can be downloaded in about a minute, whereas bigger images (such as a 5 GB Windows 11 ISO) can take up to 20 minutes to download. The speed of your computer and USB devices are other important considerations.

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16. You can close Rufus and remove the USB drive once the status at the bottom of the software window indicates READY.

How to Make a Bootable USB Drive for Windows 10

You can now boot from the USB device and continue with whatever you’re doing with it now that the ISO file has been correctly “burned.”

For instance, if you’ve saved a memory testing application to a flash drive, you may now boot from it and test your RAM. The same may be said for bootable hard disk testing software; data delete software, antivirus software, etc.

Use the Windows USB/DVD Download Tool to get your files onto your computer

You’re welcome to use Rufus to convert Windows ISO images, such as those you might have obtained for Windows 11, Windows 10, or other operating systems. However, a more “formal” process employs Microsoft’s free software.

We’ve produced comprehensive tutorials on these techniques, as well as advice on other elements of Windows installation from a USB stick. Depending on the version of Windows you’re installing, see How to Install Windows 8 From USB or How to Install Windows 7 From USB.

ISO Image Extraction Using a File Compression Software

Rufus and comparable ISO-to-USB utilities come in handy when you need a bootable program or even a complete operating system onto a USB drive. What if you want to “burn” an ISO image to a USB drive that isn’t meant to be booted from? As an example, an ISO of Microsoft Office comes to mind.

Consider the ISO image you’re working with like any other compressed format, such as a ZIP file, in these situations. Then, extract the contents of the ISO image directly onto the previously-formatted flash drive using your favourite file compression program—we generally recommend the free 7-Zip utility, but there are many more. That concludes our discussion.


I hope you found this information helpful. Please fill out the form below if you have any questions or comments.

User Questions 

1. Is it possible to boot from an ISO file?

A bootable CD, DVD, or USB drive is built on the foundation of ISO images. On the other hand, the boot program must be added using a utility program. WinISO, for example, makes ISO images bootable on CDs and DVDs, whereas Rufus does the same for USB devices.

2. Is there an ISO burner in Windows 10?

However, Windows 10 comes with its own burner, known as Windows Disc Image Burner, which can be used to burn both ordinary data and ISO files to CDs. So, if you want to burn an ISO image to a CD, all you have to do is follow a few simple steps, and Windows 10 will take care of the rest.

3. Can an ISO file be booted from a USB drive?

If you want to make a bootable file from a DVD or USB device, download the Windows ISO file and then run the Windows USB/DVD Download Tool. This allows you to install Windows without first running another operating system on your computer. 

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