You can use Package Manager's command line interface (CLI) to silently install and remove NI software, build and manage packages, and view the current state of your system.
To invoke the CLI, navigate to C:\Program Files\National Instruments\NI Package Manager from the Command Prompt and then enter nipkg.
The built-in help for the CLI is displayed.
You can access help for the CLI at any time by typing nipkg help. For help on a specific command, type nipkg help command.