What is an ISO file?
An ISO file is a copy of a single program that contains all installation files. It is also known as an ISO image. Suppose you have Windows 10 ISO file and want to upgrade your Windows 8 or Windows 8.1 to Windows 10, then you need a Windows 10 ISO file written on any CD/DVD/USB Flash drive to upgrade your computer. You can not directly install Windows 10 with only Windows 10 ISO image/file.
If you want to install a fresh copy of Windows 10 OS, it is better to have a bootable USB flash drive. USB flash drives are also useful for storage. You can store a lot of data on a small drive/disk.
When choosing the appropriate media for your motherboard firmware type, you must be careful. Your computer should feature a UEFI(Unified Extensible Firmware Interface) BIOS instead of the legacy Basic Input/Output System (BIOS).
There are two methods to create bootable media to install OS from USB on a UEFI-based computer on Windows 10. Method one uses Microsoft Media Creation Tool to download the files onto a detachable storage device with support for both firmware types (UEFI and Legacy BIOS). The second method is via a third-party tool – Rufus.
How to download and create a Windows 10 UEFI boot media using the Microsoft Media Creation Tool?
Follow the below-given steps to download and create a Windows 10 UEFI boot media using the Microsoft Media Creation Tool:-
Step 1. Go to Windows 10 Download page.
Step 2. Click on the “Download tool now” button under the “Create Windows 10 Installation Media” section to save the file on your computer.
Step 3. When downloading is complete, double-click on the “Media Creation Tool file” to run it.
Step 4. It may take some time to get ready. When ready, click the “Accept” button to agree to the Microsoft terms and conditions.
Step 5. After that, select the option “Create installation media (USB flash drive, DVD, or ISO file) for another PC.”
Step 6. Now click on the “Next” button to proceed.
Step 7. Then uncheck. Use the recommended options for this PC option.
Step 8. Now select the language, architecture, and edition of Windows 10 for which you want to create a bootable USB drive.
Note: Select the Architecture if you wish to install 32-bit and 64-bit versions of Windows 10 on different computers.
Step 9. After that, click on the Next button to select the correct option.
Step 10. Now select the USB flash drive option (It depends upon the selection, which may require up to 16GB of free space on the USB drive).
Step 11. Click on the Next button.
Step 12. After that, select your Flash drive.
Step 13. Again, click on the Next button.
Step 14. Now, click on the Finish button.
When this process completes, the tool will start downloading the required files from the Microsoft servers, and it will create your bootable USB flash drive with support for UEFI and BIOS.
That’s all for this article. I hope this article will add some value to your work.
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Also, read How to Mount an ISO File on Windows 11?