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SetupDiag silent install & uninstall

A diagnostic tool that can be used to obtain details about why a Windows upgrade was unsuccessful.

Microsoft Corporation

Commands for installing SetupDiag without prompts, removing it again and detecting it from deployment tools. A command is shown only when it is certain: from the manifest or the installer technology’s documented default.

Related guide: Silent install switches: MSI, NSIS, Inno Setup · Uninstall a program with the registry or PowerShell

With winget

PowerShell
winget install --id Microsoft.SetupDiag -e --silent --accept-package-agreements --accept-source-agreements
winget upgrade --id Microsoft.SetupDiag -e --silent
winget uninstall --id Microsoft.SetupDiag -e --silent

By installer

32-bit · Portable

No installation needed (portable)

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