is a free .NET decompiler and assembly browser from Telerik (Progress Software). It allows you to recover source code from compiled .NET assemblies (DLLs, EXEs). The offline installer is a full setup package that does not require an active internet connection during installation (unlike the web bootstrapper).
An offline installer (like the MSI or the ZIP package) is a self-contained file. You can download the entire setup once, copy it to a USB drive, and use it to install JustDecompile on multiple computers—even those without an internet connection.
Avoid download delays during the installation process on slower networks. System Requirements telerik justdecompile offline installer
Windows 7, Windows 8, Windows 10, or Windows 11 (32-bit or 64-bit) Microsoft .NET Framework 4.5 or higher Processor 1 GHz or faster Intel/AMD processor RAM
Supports plugins to enhance core capabilities. is a free
Downloading the complete standalone package once allows deployment across multiple developer workstations without consuming repetitive network bandwidth.
Here’s a helpful, concise report on the . An offline installer (like the MSI or the
as part of a periodic revision of its developer tools portfolio. Effective April 2, 2024, no new downloads are available . The product is no longer offered or supported by Progress. This is the reason why finding the offline installer has become so challenging.
Download the complete package (usually bundled as an .msi or standalone .exe file), ensuring the file size reflects a full package (typically several dozen megabytes) rather than a lightweight 2MB web bootstrapper. Step-by-Step Installation Guide
Read through the End User License Agreement (EULA) and check the acceptance box.