The Windows Insider program of Microsoft no ISO images for the Fast Ring are released. There have been some exceptions, but usually ISO images are only released through the program's Slow Ring.
So Insiders who are registered in the Fast Ring, have a problem, especially if they want to perform a clean installation using the ISO of the new operating system.
Below we will talk about the UUP Dump, a tool that will help you obtain the ISOs from Fast Ring, immediately after their release by Microsoft.
According to the project's developer, abbod1406, UUP Dump is an automated script commands for processing Windows 10 UIP (Unified Update Platform) files. The script allows downloading and converting upgrade files to a usable format (ISO or WIM).
Let's see how you can use UUP Dump to create a Windows Insider Fast Ring ISO.
From address https://www.uupdump.ml/, select Fetch latest build:
Immediately select the architecture you want (x86, x64, arm64) and click Get Updates
Click on the name of the download you see above and on the next screens you will be able to select it language and version (Home, Home N, Pro and Pro N)
Subject to local law, you have certain rights regarding the Personal Information we collect, use or disclose and that is related to you, including the right to:
and version:
Selecting "All editions" will download the files needed to create a multi ISO.
To the next screen you will be allowed to download the files you selected.
Select “Download using aria2 and convert”
One will be downloaded archiveu ZIP. Save the file, and unzip it by right-clicking on the ZIP. Select Properties, then Unblock
Extract the contents of the ZIP file by right-clicking and selecting Extract All. If you notice any while extracting the ZIP error, ignore, press skip to continue exporting.
When the export is complete run the file aria2_download_windows.cmd:
Immediately after the UUP Dump will download the UUP files. When the download is complete, the files will be converted to ISO automatically.
You will find the ISO in the folder where you exported the ZIP file. That was it, enjoy your new ISO.