تحميل برنامج NSIS (Nullsoft Scriptable Install System) لصنع ملفات السيت اب للبرامج الخاصة بالويندوز , برنامج NSIS يستخدم من قبل المبرمجين لتحزيم برامجهم بعد الانتهاء منها حيث يقوم بتجميع الملفات التنفيذية exe و المكتبات الديناميكية dll وملفات النظام والاختصارات كلها في ملف واحد يسمى ملف الست اب Setup ليسهل نقله ونشره عبر الانترنت .
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. 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 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.