Description of Issue/Question

The windows installer does not give the option to select instlalltion directory. At the moment its c:\salt.
It would be nice if we can choose the directory and have it be part of silent install.

Setup

(Please provide relevant configs and/or SLS files (Be sure to remove sensitive info).)

Steps to Reproduce Issue

(Include debug logs if possible and relevant.)

Versions Report

(Provided by running salt --versions-report. Please also mention any differences in master/minion versions.)