the 32bit installer from https://www.mozilla.org/en-US/firefox/new/ does not allow custom install
users are directed to that website for downloads that allow custom install. the 32bit installers there do not allow custom install; when launched, they just do an install in the windows c drive with no interactive input
Additional System Details
n/a this is a download/install question
- User Agent: Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18363
See whether you can get a full installer from this page:
Maybe the URLs in this article need to be updated: Custom installation of Firefox on Windows ?
The recommended location is called "Advanced install options & other platforms"