NSIS

NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution. NSIS is script-based and allows you to create the logic to handle even the most complex installation tasks. Many application installers are built using NSIS. NSIS is released under an open source license, which means that you can use it free of charge, even for commercial purposes. There are no restrictions on how you can use the installers you create. NSIS is easy to learn. If you are familiar with scripting languages such as C++ or Perl, you will find NSIS very easy to use. The syntax is very simple and straightforward. You can find all the documentation you need on the NSIS website. If you need to create an installer for a Windows application, NSIS is a great choice. It is flexible, powerful, and easy to use.