If you are looking for an offline or portable version, here is the official process: How to Obtain "MSDT-Portable.exe"
: You must be working with a support professional to receive a ten-digit passkey . Run MSDT : Open the command prompt and type msdt.exe . msdt portable exe download
The is a built-in Windows utility ( msdt.exe ) and is not typically available as a standalone or "portable" download from official Microsoft sources. If you are looking for an offline or
: Microsoft has deprecated MSDT. Most built-in troubleshooters were redirected to the Get Help app starting in 2023, and the MSDT platform is scheduled for full retirement in 2025 . : Microsoft has deprecated MSDT
The tool itself can generate its own portable version for use on computers without internet access. This is the only official "portable" method:
This will safely restore the original file from the Windows component store.
: You can then move this executable to another machine to gather data and generate a .CAB file to send back to support. Important Safety and Deprecation Notices