by boco » 26.08.2015, 00:56
As it is written - when calling DoUpdate.cmd from the command line.
The GUI is nothing else than a loader that calls the command scripts with the appropriate options. It has even a special checkbox at the bottom, to automatically create a run script with the currently selected things.
Microsoft update catalog: http://catalog.update.microsoft.com/v7/site/
Windows Install media download: https://support.microsoft.com/en-us/help/15088/windows-create-installation-media