Every download manager that I've used allows you to specify the download folder when you initiate the download.
See the article for the
Best Free Download Manager
Some allow rules: file type, file name, source URL, etc. An online search should provide you with lots of info e.g.
https://www.guidingtech.com/57739/sp...wnload-chrome/
https://www.lifehacker.com.au/2010/0...dia-downloads/