How to Install an NSIS Executable Silently For All Users

command-line windows-installer installation nsis silent-installer
Muhammad Rehan Saeed picture Muhammad Rehan Saeed · Mar 11, 2016 · Viewed 10.3k times · Source

I have an NSIS installer executable which I would like to install silently for all users. I know I can pass the /S argument to do a silent install. The problem is that the default option for the installer is to install only for the current user. How can I change this option from the command line:

installer.exe /S

enter image description here

Answer

Anders picture Anders · Mar 11, 2016

NSIS itself just supports /S, /NCRC and /D=c:\override\default\installdir\, everything else is up the author.

If the custom page from your screenshot was created with MultiUser.nsh and the author defined MULTIUSER_INSTALLMODE_COMMANDLINE then you could use installer.exe /AllUsers /S, otherwise you have to ask the author of the installer if they are checking for a specific command line switch.

If it turns out there is no way to do it then you would have to look into UI automation...

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