Setup.exe -

Temporary files created during the installation are removed. 4. Creating Setup.exe in Visual Studio

Developers commonly create setup.exe files using Visual Studio's extension. What Is Setup.exe? - Revenera Community

When executed, setup.exe generally performs the following, often guided by a setup.ini configuration file: Setup.exe

Contains all necessary application files within itself. They are larger in file size but do not require internet access for installation.

Registry entries are created, and shortcuts are added to the Desktop or Start Menu. Temporary files created during the installation are removed

It ensures the target machine has required components like the .NET Framework or C++ runtimes, often launching other installers before installing the main application.

It checks if dependencies are installed. What Is Setup

Setup.exe is a standard, executable file used in Windows environments to initiate the installation, configuration, or removal of software applications. While sometimes appearing simply as a "wrapper" to decompress files, it frequently acts as a sophisticated , managing dependencies, user interfaces, and registry updates to transition software from a distributable format to a fully functional application on a target machine.