In for both, you can add a File Path type Category to your View. This usually works best if it is the first (or only) category added to the View.
![](http://glynor.com/img/screenshots/MC20/Standard-Views-Location_Category.png)
Just leave the
Select Path field blank to have it start browsing from the filesystem root location (and show the drive letters). If you want it "pre-narrowed down" (because all possible files will be contained within a particular folder or filesystem location), then you can put something in this box.