

They also have issues such as MSI files not being usable in Safe Mode. Windows Installer files are used extensively by Microsoft for updating and installing Windows and other related software. Windows Installer files are known as MSI files because of the file extension. Inno Setup, InstallShield, and Nullsoft Scriptable Install System (NSIS) are applications that help create a setup installer, another is Microsoft’s own Windows Installer. There are several ways to install software and also a number of different solutions to create the setup file for end users to get the product installed.
