InstallBuilder for Qt

by Backstaffv25.3.1

Last updated Jun 8, 2026

A powerful and easy to usecross platform installer creation tool

Install with winget

$ winget install --id BackstaffSoftware.InstallBuilder.Qt.Professional --exact --version 25.3.1

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

Silent install command for InstallBuilder for Qt

InstallBuilder for Qt uses EXE. The silent install switches are --mode unattended --unattendedmodeui none.

One-line silent install (x64)

installbuilder-qt-professional-25.3.1-windows-x64-installer.exe --mode unattended --unattendedmodeui none

See the full silent install reference for InstallBuilder for Qt →

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Installers · v25.3.1

Architecture	Type	Scope	Install	Download
x86	EXE	-		Direct
x64	EXE	-		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

3 known CVEs via NVD

high8.8Patched in wingetCVE-2021-22038affects before 21.6.0Oct 29, 2021
On Windows, the uninstaller binary copies itself to a fixed temporary location, which is then executed (the originally called uninstaller exits, so it does not block the installation directory). This temporary location is not randomized and does not restrict access to Administra...
Vendor advisory
high7.8Patched in wingetCVE-2021-22037affects before 21.6.0Oct 29, 2021
Under certain circumstances, when manipulating the Windows registry, InstallBuilder uses the reg.exe system command. The full path to the command is not enforced, which results in a search in the search path until a binary can be identified. This makes the installer/uninstaller...
Vendor advisory
high7.5Patched in wingetCVE-2020-3946affects before 19.11.0Apr 20, 2020
InstallBuilder AutoUpdate tool and regular installers enabling <checkForUpdates> built with versions earlier than 19.11 are vulnerable to Billion laughs attack (denial-of-service).
Vendor advisory

Source: NVD, updated 2h ago. Patch status is best-effort: NVD's fix version is compared against the latest version in winget, but the two version formats don't always align. Confirm with the vendor advisory before treating any specific build as safe.

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Frequently asked questions

How do I install InstallBuilder for Qt on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id BackstaffSoftware.InstallBuilder.Qt.Professional --exact --version 25.3.1. winget downloads the installer from Backstaff and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install InstallBuilder for Qt silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id BackstaffSoftware.InstallBuilder.Qt.Professional --exact 25.3.1 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

What are the silent install switches for InstallBuilder for Qt?

InstallBuilder for Qt uses EXE. Run the downloaded installer with: installbuilder-qt-professional-25.3.1-windows-x64-installer.exe --mode unattended --unattendedmodeui none. The silent switches are --mode unattended --unattendedmodeui none.

How do I uninstall InstallBuilder for Qt via winget?

Run: winget uninstall --id BackstaffSoftware.InstallBuilder.Qt.Professional --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from InstallBuilder for Qt's Apps & Features entry.

Is InstallBuilder for Qt free?

InstallBuilder for Qt is distributed under Proprietary. Refer to the publisher (https://installbuilder.com/download-step-2) for the full license terms - Wingetly itself does not charge for installation.

Does InstallBuilder for Qt work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls InstallBuilder for Qt directly from the publisher.

How do I keep InstallBuilder for Qt up to date?

Run winget upgrade --id BackstaffSoftware.InstallBuilder.Qt.Professional --exact, or winget upgrade --all to update everything winget tracks. We index 1 version of InstallBuilder for Qt from microsoft/winget-pkgs.