How to Use UUP Dump to Download Windows 11 ISO File

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Written By Larious

Larious is the Executive Editor of LowkeyTech. He is a tech enthusiast and a content writer. 





Last Updated on August 21, 2023 by Larious

Well, you have multiple ways to download Windows 11 ISO files. You can grab the ISO file from Microsoft’s official website, which requires a Microsoft account. Or else, you can use the media creation tool to download an ISO file on your device.

However, the problem is that the Media Creation tool and Microsoft’s official website provide you with the latest version of Windows 11 ISO files. And at times, you may want to download the older preview builds of Windows 11.

In such a situation, you must grab the ISO files from a third-party tool like UUP Dump. UUP Dump is a third-party tool that allows you to create custom Windows 11 ISO files from any public preview. The tool can download the Windows 11 builds directly from Microsoft’s servers and store them on your device.

Is UUP Dump Safe?

Yes! The UUP Dump ISO files are 100% safe and secure to download & use. You should know that UUP downloads from the Microsoft servers and turns them via their software into ISO Files.

Basically, the files it uses comes from the Microsoft servers. Hence, the ISO files you get from the UUP are entirely safe to download & use.

But the legality of using UUP Dump to download Windows ISO remains gray because Microsoft does not officially authorize the site to distribute its files.

Also read: Windows 11 Free Download Full Version

UUP dump Windows 11 – How to Use it to Download Windows ISO Files

After grabbing the ISO files from UUP Dump, you can flash them on a USB drive or DVD and install the OS on any computer/laptop. Below, we have shared a step-by-step guide on how to use UUP Dump to download Windows 11 ISO files. Let’s check out.

1. Open your favorite web browser and visit the UUP Dump page.

2. On the main page, click on the Download section.


3. Select the Windows 11 Insider Preview Build you want to download as an ISO. Once done, click on the Next button.

Windows 11 Insider Preview Build

4. Next, choose the language.

Windows 11 edition

5. Select the Windows 11 edition on the next screen and click the Next button.

'Download and convert to ISO'

5. On the Download Method, select Download and convert to ISO. Uncheck all options in the Conversion options and click on the Create Download Package.

'Download and convert to ISO'

6. The UUP Dump will download a ZIP file on your computer. Right-click on the ZIP file and extract it.

extract it

7. You will find several files. Right-click on the uup_download_windows batch file and select Run as administrator.

Run as administrator

8. Now, UUP Dump will download the ISO file from Microsoft’s server. Depending on your internet speed, the process might take a few minutes or hours.

download the ISO file from Microsoft's server

9. Once completed, the command prompt will ask you to press 0 to close the screen.

press 0 to close the screen

10. Open the folder where you’ve extracted the UUP Dump tool. You will find the Windows 11 ISO file in that folder.

Windows 11 ISO file

That’s it! This is how you can use the UUP Dump tool to download Windows 11 Insider Preview Build ISO files.

Also read: How to Download Windows 11 ISO Files Without Media Creation Tool

So, this guide is about downloading Windows 11 Insider Preview build ISO files via UUP Dump. Let us know in the comments below if you have any doubts or need help.


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