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Telerik Justdecompile Offline Installer Updated New! Jun 2026
ILSpy is the leading open-source .NET decompilation platform.
Click to extract the files. Once the progress bar fills, click Finish to open JustDecompile. Keeping JustDecompile Updated Offline
Extract the portable folder to a secure directory (e.g., C:\Tools\ILSpy ) and add it to your system's PATH variable.
Do you need assistance setting up for a specific deployment tool like SCCM or Intune?
Telerik JustDecompile was officially retired and discontinued on April 2, 2024. The final stable version released was , which addressed a known security vulnerability (CVE-2024-0219). telerik justdecompile offline installer updated
JustDecompile requires the standard .NET Framework to run its UI. If you are installing on a completely fresh Windows Server or an older Windows client machine, ensure you have the appropriate .NET Runtime pre-installed offline.
The urgency behind the v2024.1.131.0 update stems from a high-severity security flaw, officially cataloged as . This vulnerability was discovered in the installer component of Telerik JustDecompile versions released prior to 2024 R1.
Select the directory where you want to store the application files. Click to proceed with the default location. 5. Complete Setup
❌ Not updated as frequently as online installer or competitors ❌ Requires a free Telerik account to download (no direct anonymous link) ❌ Missing some modern .NET features (e.g., .NET 8/9 decompilation is better in ILSpy) ❌ The UI feels dated compared to open-source alternatives ILSpy is the leading open-source
: A free standalone decompiler by JetBrains that also provides powerful navigation features.
Related search suggestions forthcoming.
The Telerik JustDecompile offline installer remains an indispensable asset for .NET developers who demand flexibility, speed, and security. By maintaining an updated offline copy of this powerful decompiler, you protect your development pipeline from internet dependencies and ensure that deep-dive assembly analysis is always just a double-click away.
: The most popular open-source .NET decompiler. It is frequently updated and available as a standalone tool or a Visual Studio extension. The final stable version released was , which
Because Progress Software discontinued the product in April 2024. The final version, 2024.2.513.0, is the last official release from Telerik. No further versions or updates will be produced.
: 2024.1.131.0 (some third-party mirrors like FileHorse may list slightly different build numbers like 2024.2.513.0, but the core engine development has ceased).
: Keep a specific version of the tool safe for future redeployments.