Solution
The following additional parameters are available for automatic installation:

/qn
Required parameter for a background installation.

PATH=
Target directory for the installation. The default value is "C:\guixt" .

/?
Get a list of all possible commands

Examples

Background installation without GUI:
guixt.editor.setup.exe /qn

Background installation in given directory:
guixt.editor.setup.exe /qn PATH="d:\tools\scripteditor"

Components
Script Editor Pro