NSIS (Nullsoft Scriptable Install System) is a professional open source system to create your own installers for Windows. It is small and flexible as possible and is therefore very suitable for internet distribution.
Being a user's first experience with your product, a stable and reliable installer is an important component of succesful software. With NSIS you can create such installers that are capable of doing everything that is needed to setup your software.
NSIS is script-based and allows you to create the logic to handle even the most complex installation tasks. Many plug-ins and scripts are already available: you can create web installers, communicate with Windows and other software components, install or update shared components and more.
You can download NSIS compiler from http://nsis.sourceforge.net/Download
Scripts you can create in any text editor. Save them with .nsi extension. After that click "Compile nsi scripts".
You can "Load script" and compiling will start automatically. EXE file will be saved in the same folder where your script is placed. Example of script - Included Modern UI, with language selection, with example of design icons, with licenses on different languages, with creation of desktop icon and Program Files section.YourApplication.nsi (8.6KB)