Free download Red Gate NET Reflector 11.0.0 full version standalone offline installer for Windows PC, It is used to decompile, understand, & fix .NET code without source code.
Red Gate NET Reflector Overview
NET Reflector is a class browser, software decoder, and static analyzer for programs built with the .NET Framework, originally written by Lutz Roeder. MSDN named it one of the Ten Must-Have Tools for Developers, and Scott Hanselman listed it as part of "Big Ten Life and Work Changing Utilities"Features of Red Gate NET Reflector
Debug and decompile inside Visual Studio
Debug third-party assemblies
Dynamic decompilation
Use VS shortcuts
Browse assemblies
C#6 decompilation