Win11test.iso <2025-2027>

Before you can customize anything, you need the official source. You can download the directly from the Microsoft software downloads page .

If you are testing on older hardware, you can modify the image to bypass the TPM 2.0 and Secure Boot checks using the Windows ADK or third-party tools. 3. Automating the Install (Unattended Setup) win11test.iso

Beyond the Basics: How to Build Your Own Custom Windows 11 ISO Before you can customize anything, you need the

Tools like the Windows-ISO-Debloater script can automate the removal of telemetry, OneDrive, and pre-installed games. This tool fetches files directly from Microsoft’s update

If you are looking for specific, bleeding-edge versions (like the latest 25H2 or 26H1 builds), you can use the UUP Dump website. This tool fetches files directly from Microsoft’s update servers and compiles them into a fresh ISO for you. 2. The "Lite" Treatment: Debloating Your ISO

The most common reason to build a custom ISO is to remove "bloatware"—the extra apps and background processes that slow down your system.