dnSpy

by dnSpyExv6.6.0

Last updated Aug 31, 2026

dnSpyEx is a unofficial continuation of the dnSpy project which is a debugger and .NET assembly editor.

Install with winget

$ winget install --id dnSpyEx.dnSpy --exact --version 6.6.0

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

Built by Pckgr

For Intune admins

Stop chasing app updates. Pckgr patches them for you.

Automated application patching for Microsoft Intune. Pckgr keeps a curated library of 1,000+ apps continuously up-to-date in your tenant via Microsoft Graph - no manual repackaging, no chasing vendor sites.

Start free 30-day trial

No credit card required.

About

dnSpyEx is a unofficial continuation of the dnSpy project which is a debugger and .NET assembly editor. You can use

it to edit and debug assemblies even if you don''t have any source code available. Main features: Debug .NET and

Unity assemblies, Edit .NET and Unity assemblies, Light and dark themes.

Installers · v6.6.0

Architecture	Type	Scope	Install	Download
x86	ZIP archive	-		Direct
x64	ZIP archive	-		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 dnSpy.

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

Related apps

Microsoft .NET Windows Desktop Runtime 10.0Microsoft Corporation
Microsoft.DotNet.DesktopRuntime.10v10.0.12
.NET is a free, cross-platform, open-source developer platform for building many different types of applications.
Visual Studio BuildTools 2026Microsoft Corporation
Microsoft.VisualStudio.BuildToolsv18.10.0
These Build Tools allow you to build Visual Studio projects from a command-line interface.
Microsoft .NET Windows Desktop Runtime 8.0Microsoft Corporation
Microsoft.DotNet.DesktopRuntime.8v8.0.31
.NET is a free, cross-platform, open-source developer platform for building many different types of applications.
Visual Studio BuildTools 2022Microsoft Corporation
Microsoft.VisualStudio.2022.BuildToolsv17.14.40
These Build Tools allow you to build Visual Studio projects from a command-line interface.
IDA FreewareHex-Rays SA
Hex-Rays.IDA.Freev8.4
The free binary code analysis tool to kickstart your reverse engineering experience.
Microsoft .NET SDK 10.0Microsoft Corporation
Microsoft.DotNet.SDK.10v10.0.401
.NET is a free, cross-platform, open-source developer platform for building many different types of applications.

More from dnSpyEx or browse .net, c#, csharp.

Frequently asked questions

How do I install dnSpy on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id dnSpyEx.dnSpy --exact --version 6.6.0. winget downloads the installer from dnSpyEx and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install dnSpy silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id dnSpyEx.dnSpy --exact 6.6.0 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

How do I uninstall dnSpy via winget?

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

Is dnSpy free?

dnSpy is distributed under GPL-3.0. Refer to the publisher (https://github.com/dnSpyEx/dnSpy) for the full license terms - Wingetly itself does not charge for installation.

Does dnSpy 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 dnSpy directly from the publisher.

How do I keep dnSpy up to date?

Run winget upgrade --id dnSpyEx.dnSpy --exact, or winget upgrade --all to update everything winget tracks. We index 4 versions of dnSpy from microsoft/winget-pkgs.

Recent versions

6.6.0latest
6.5.1
6.5.0
6.4.1