A diagnostic tool that can be used to obtain details about why a Windows upgrade was unsuccessful.
Publisher’s description
What is SetupDiag?
SetupDiag by Microsoft Corporation is free Windows software.
Installation and requirements
The publisher provides Portable installers for 32-bit Windows. The main installer is 805 KB. It runs without installation (portable).
Pros / Cons
Pros
- Free to use
- Portable: runs without installation
- Small download (805 KB)
Cons
- No native ARM64 build
- 32-bit only
In short: SetupDiag is a free Windows tool for 32-bit PCs.
Is SetupDiag safe to download?
- The file is served by download.microsoft.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
A4D8B24BF68EAABB97C6513FD5C23F434C786850A3CF9B421C3C226A55282273· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.7.0.0Latest | February 11, 2026 | 805 KB | 32-bit Portable |
Install from the command line
Silent install ›winget install --id Microsoft.SetupDiag -eProgram files (.exe): setupdiag.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Microsoft Corporation
- Licence
- Proprietary (Freeware)
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- Portable
- Version
- 1.7.0.0
- Released
- February 11, 2026
- Added to the catalogue
- February 11, 2026
- Versions listed
- 1
- Website
- learn.microsoft.com
- winget ID
- Microsoft.SetupDiag
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is SetupDiag free?
Yes. SetupDiag is free to use.
Is SetupDiag safe to download?
The download comes from download.microsoft.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install SetupDiag with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does SetupDiag run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
Can I use SetupDiag without administrator rights?
Yes, it is portable: unpack and run it.
