Nullsoft Scriptable Install System (NSIS) 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.
Being a user’s first experience with your product, a stable and reliable installer is an important component of successful software. With NSIS you can create such installers that are capable of doing everything that is needed to set up 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.
Key Features
- Small overhead size
- Unique compression methods
- Multiple languages in one installer
- Many features and checks for the target system
- Custom dialogs and interfaces
- Support for web installation, file patching
- Easy and human readable file formats
- Plug-in systemScript based
Last Update: March 09, 2025
Current Version: 3.11
License: Freeware
Languages: Multiple Languages
Supported Operating Systems:
Windows XP / Vista / 7 / 8 / 8.1 / 10 / 11 (32-Bit, 64-Bit)
Developer: Nullsoft
Homepage: SourceForge.net
Disclaimer: The direct download links we offer for this software are sourced from the official website of the author or developer, guaranteeing they are 100% original and unaltered. However, because the links are external, we cannot guarantee their safety, availability, or download speeds. We will research and find various download options for your software, including online installers, full offline installers (usually 'exe' or 'msi', 'dmg', and occasionally 'iso' or torrent), and portable editions (commonly 'zip' or 'rar').
We wish to clearly express our firm opposition to piracy. We maintain a strict zero-tolerance policy against piracy and will neither offer nor share any pirated or illegal versions or tools. We strongly advise against using such methods, as they can damage your devices. We highly encourage you, if you value this software, to invest in a legitimate license. Doing so not only guarantees your safety but also supports the developers, resulting in improved software quality.