How can I upgrade or install Windows 11 26H1 on unsupported computer?

Using WinPE modification with WinBuilder is another advanced method to prepare a customized Windows PE environment that can bypass hardware checks during Windows 11 installation on unsupported hardware. This approach involves creating a bootable Windows Preinstallation Environment (WinPE) with tailored modifications to skip TPM, Secure Boot, CPU, and other hardware requirements.

How to Install Windows 11 26h1 on Unsupported Hardware?

1. Prepare WinPE Environment  
   Use WinBuilder or similar tools like WinPE Creator to build a custom WinPE bootable image.
   Incorporate necessary drivers, scripts, and modifications to bypass hardware checks.

2. Integrate Windows 11 Setup Files  
   Copy the Windows 11 ISO contents into the WinPE environment.
   Modify the setup process within WinPE to skip hardware compatibility checks, often by injecting custom  scripts or registry modifications that are executed during setup.

3. Create Bootable Media  
   Export the customized WinPE as bootable USB or ISO.
   Boot your unsupported system from this media.

4. Run Windows 11 Setup from WinPE  
   Launch the setup within this environment.
   The custom modifications should allow the setup to proceed despite unsupported hardware.

Advantages of Install Windows 11 26h1 on unsupported hardware:
    More control over the setup process.
   Ability to automate bypassing hardware checks with scripts.
   Less risk of corrupting the ISO, as modifications are made within a controlled environment.