Change default installation path in msi setup
Community Chosen Answer
You can do this from the command line:
MSIExec /i [path_to_and_name_of_MSI] INSTALLDIR="[required_installation_folder_goes here]" [other arguments]
INSTALLDIR must be in all upper-case and its value enclosed in quote marks.
You are advised to add verbose logging to the command line, otherwise troubleshooting will be...challenging.