This is rare, but ensure you are not trying to install an ARM-based version. If you are on an Arm64 Surface, the x86 MSI should still run via emulation.
You generally cannot download this specific MSI as a standalone file from Microsoft's official site. Instead, it is acquired through the ADK Installer Download the ADK Setup : Visit the Official Windows ADK download page and download adksetup.exe for your specific Windows version. Run the Installer Online Installation adk toolkit documentation-x86-en-us.msi download
The Microsoft Deployment Toolkit (MDT) is officially retired as of early 2026. For modern desktop and server deployments, Microsoft recommends transitioning to Microsoft Endpoint Configuration Manager Windows Autopilot Microsoft Learn Are you trying to set up a deployment share for a specific version of Windows, or do you just need the offline help files Download and install the Windows ADK | Microsoft Learn This is rare, but ensure you are not