Finder is Apple's file manager on Mac. It does not have anything to do with your choice of Web Browser. Windows PCs would have Windows Explorer as the equivalent to Finder. Firefox would have nothing to do with that. If you are referring to Apple's web browser on Mac, its called Safari, not Finder, and no there is no Safari for Windows.
Save the service and give it a shortcut in System Preferences > Keyboard > Shortcuts > Services. The service only opens a new window if there is no existing Finder window. To open a new window every time, add a Get Specified Finder Items action, drop the folder you want to open on the list, and then add a Reveal Finder Items action.
Is there a keyboard shortcut to bring up Finder? - Ask Different
My Desktop folder is missing from favorites menu and also from Finder Preferences. How do I restore to the favorites menu?
My Desktop folder is missing from favorites menu and also from Finder ...
Finder > View > Show Path Bar. This will display a path bar at the bottom of the Finder window. Get file, folder, and disk information on Mac - Apple Support Also, in a Finder window's toolbar you'll find this icon to display the path to the displayed files/folders.
How can I show full file path in Finder o… - Apple Community
Is there a way to get Finder on Windows? - Apple Community
I have a folder that starts with a dot . but am unable to display it in Finder. How can I say that for folder x, Finder should also display hidden files/folders?