IronPython 3

by .NET Foundationv3.4.2.1000

Last updated Jul 24, 2026

The Python programming language for .NET

Install with winget

$ winget install --id Microsoft.IronPython.3 --exact --version 3.4.2.1000

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

Silent install command for IronPython 3

IronPython 3 uses MSI (WiX). The silent install switches are /quiet /norestart.

One-line silent install (x64, machine scope)

msiexec.exe /i IronPython-3.4.2.msi /quiet /norestart

See the full silent install reference for IronPython 3 →

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About

IronPython is an open-source implementation of the Python programming language which is tightly integrated with .NET. IronPython can use .NET and Python libraries, and other .NET languages can use Python code just as easily.

Installers · v3.4.2.1000

Architecture	Type	Scope	Install	Download
x64	MSI WiX	machine		Direct

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

Security

No known CVEs for IronPython 3.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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Frequently asked questions

How do I install IronPython 3 on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id Microsoft.IronPython.3 --exact --version 3.4.2.1000. winget downloads the installer from .NET Foundation and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install IronPython 3 silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id Microsoft.IronPython.3 --exact 3.4.2.1000 --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 IronPython 3?

IronPython 3 uses MSI (WiX). Run the downloaded installer with: msiexec.exe /i IronPython-3.4.2.msi /quiet /norestart. The silent switches are /quiet /norestart.

How do I uninstall IronPython 3 via winget?

Run: winget uninstall --id Microsoft.IronPython.3 --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from IronPython 3's Apps & Features entry.

Is IronPython 3 free?

IronPython 3 is distributed under Apache-2.0. Refer to the publisher (https://ironpython.net/download/) for the full license terms - Wingetly itself does not charge for installation.

Does IronPython 3 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 IronPython 3 directly from the publisher.

How do I keep IronPython 3 up to date?

Run winget upgrade --id Microsoft.IronPython.3 --exact, or winget upgrade --all to update everything winget tracks. We index 2 versions of IronPython 3 from microsoft/winget-pkgs.

Recent versions

3.4.2.1000latest
3.4.0.0001