(Nullsoft Scriptable Install System) engine. The standard switch for a silent, background installation is: (Note: This is case-sensitive and must be a capital "S"). 2. Pre-Register the Application
Save the following as Deploy-PowerISO.cmd alongside your PowerISOv4.exe : PowerISO v.4 -Pre-Registered- -Silent Install-
For more complex installations or if direct command-line parameters are not supported, tools like AutoIT can be used to automate the installation process, including entering the license key. (Nullsoft Scriptable Install System) engine