ILSpy

by ICSharpCode Teamv10.0.0.8323-preview3

Last updated Jun 8, 2026

Cross-Platform .NET assembly browser and decompiler.

Install with winget

$ winget install --id icsharpcode.ILSpy.Preview --exact --version 10.0.0.8323-preview3

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

Silent install command for ILSpy

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

One-line silent install (x64)

msiexec.exe /i ILSpy_Installer_10.0.0.8323-preview3-x64.msi /quiet /norestart

See the full silent install reference for ILSpy →

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Installers · v10.0.0.8323-preview3

Architecture	Type	Scope	Install	Download
x64	MSI WiX	-		Direct
arm64	MSI WiX	-		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 ILSpy.

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 ILSpy on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id icsharpcode.ILSpy.Preview --exact --version 10.0.0.8323-preview3. winget downloads the installer from ICSharpCode Team and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install ILSpy silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id icsharpcode.ILSpy.Preview --exact 10.0.0.8323-preview3 --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 ILSpy?

ILSpy uses MSI (WiX). Run the downloaded installer with: msiexec.exe /i ILSpy_Installer_10.0.0.8323-preview3-x64.msi /quiet /norestart. The silent switches are /quiet /norestart.

How do I uninstall ILSpy via winget?

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

Is ILSpy free?

ILSpy is distributed under MIT. Refer to the publisher (https://github.com/icsharpcode/ILSpy) for the full license terms - Wingetly itself does not charge for installation.

Does ILSpy 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 ILSpy directly from the publisher.

How do I keep ILSpy up to date?

Run winget upgrade --id icsharpcode.ILSpy.Preview --exact, or winget upgrade --all to update everything winget tracks. We index 3 versions of ILSpy from microsoft/winget-pkgs.

Recent versions

10.0.0.8323-preview3latestpre
10.0.0.8282-preview2pre
10.0.0.8079-preview1pre