Inno Setup
Inno Setup is a free, open-source installer for Windows programs, written in Delphi and Pascal. It provides a robust and flexible system for creating installation packages, including features like file copying, registry editing, and custom scripting. It is widely used for distributing software applications on Windows due to its ease of use and extensive documentation.
Developers should learn Inno Setup when they need to create professional, reliable installers for Windows applications, especially for small to medium-sized projects or when cost is a concern. It is ideal for scenarios requiring custom installation logic, such as setting up dependencies, configuring system settings, or handling multiple language support, making it a go-to tool for software deployment on Windows platforms.