Multi Commander is a file manager which is far more advanced than the native Windows Explorer. Multi Commander has previously always been payware but the developer has recently decided to make this software available to everyone for free (and it is the latest release, not an older version).
Multi Commander has all the standard features such as; copy, move, rename, view. But also includes many advanced features such as; Tabbed view, Auto-unpacking , Auto-sorting , Browse inside archives, Workspace support, Scripting, Searching and much more.
A comprehensive list of features can be found HERE.
Download: 4.4MB executable