Windows 11 Create ISO from Microsoft servers

It is known that Dev versions of Windows 11 are not released in ISO format. Below we will see how you can use UUP Dump to download the Windows 11 Insider file to ISO for versions of Dev channels that do not have an official installation image.

UUP Dump is a free service that provides a set of scripts and tools for λήψη UUP files directly from Microsoft servers and creating ISO files from them.

The service is customizable, meaning you can choose which version you want to download, which language it should include, and which features. The best thing about UUP Dump is that it does not require you to be registered with Windows Insider to download and create ISO images.

However, when Windows 11 ISO images are officially released, we recommend you to use the official ones archives. You'll be able to download them just like you download Windows 10 builds.

So the UUP Dump will help you if you need to reinstall an Insider Preview version from scratch or on a VM.

Windows 11 Download UUP

Open the page from here.

Select the channel name from which you want to download the ISO image. To download Windows 11 select it channel Dev. Now, click on x64, x86 and arm64. You already know that for Windows 11, the x64 architecture is the only option available.

Then select the build number you want to download.
On the next page, select your preferred ISO language from the drop-down list.

Ελέγξτε τις εκδόσεις που θα συμπεριληφθούν στο αρχείο ISO. Λάβετε υπόψη ότι το "N" δεν χρειάζεται να το βάλετε και το Windows Tea είναι μια έκδοση για το Surface Hub.
Home and Pro are the versions that interest most.

Στην ενότητα "Select your download editions", επιλέξτε "Download and convert to ISO". Παρακάτω, μπορείτε να επιλέξετε να ενσωματώσετε ενημερώσεις, .NET framework, κ.λπ.

Finally, click on Create download package.

That's it! You have just downloaded the utility package that will fetch Windows 11 files from Microsoft servers. Now, you need to unpack it and run it tool containing to create the ISO image.

Create the Windows 11 ISO

Extract the contents of the ZIP file you downloaded to any folder without spaces in its name.
Double-click the uup_download_windows.cmd file. This will start downloading the files you need.
Once all the files are downloaded, the script will start creating the ISO file.

Finally, as soon as the procedure, you will have the ISO you want in the same folder where you have your script.