Navigate to www.telerik.com/login . You need a free Telerik account. If you don’t have one, sign up—it’s free and required even for free tools.
Because the official web installer may no longer function, an (MSI or ZIP) is the only way to reliably set up the tool on air-gapped or legacy systems. 1. Where to Find the Offline Files
As of April 2026, Telerik JustDecompile is officially retired
The primary support channel is the official Telerik forums. The product developers frequently participate in the forums to answer questions and address issues. telerik justdecompile offline installer upd
Instantly turn decompiled assemblies into editable Visual Studio projects, which is incredibly useful for recovering lost source code.
As of its discontinuation, the final version of Telerik JustDecompile is . Obtaining the offline .msi installer is still possible through the official website, though the process is less straightforward than it once was.
In the world of .NET development, few tools are as indispensable as a reliable decompiler. Whether you are debugging a legacy application, analyzing a third-party library without documentation, or recovering lost source code, has long been a gold-standard solution. Navigate to www
While you can install over an existing installation, it is safer to:
Since Telerik has discontinued new downloads, you must rely on archived or alternative sources:
Telerik JustDecompile in its v2024.1.131.0 form is a stable, secure (after patching), and powerful tool. The key takeaway is to and avoid any older, unpatched releases due to the CVE-2024-0219 vulnerability. By following the guide above, you can securely download its offline installer from the official website, finalize your environment with the patched version, and continue to enjoy a reliable decompilation experience. However, keep in mind that the product is no longer under development, so for long-term needs, exploring the actively maintained alternatives listed above is a wise strategy. Because the official web installer may no longer
: A free standalone tool by JetBrains that decompiles .NET assemblies into C# or IL. ILSpy : An open-source .NET assembly browser and decompiler.
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The open-source plugins, which the community maintained, are still available on GitHub. Alternatives to JustDecompile
The most popular open-source .NET decompiler. It is frequently updated and available as a standalone offline tool.
As of April 2026, by Progress Software . Official downloads were discontinued on April 2, 2024, and the product has not received official updates since approximately 2018.