What is Multi Commander
It is a replacement for Windows Explorer. It provide some very efficient way of working with files.
It is using the popular and efficient Dual-Panel layout, That will let you do all the task you need to do with just the keyboard.
Mouse is supported, but the strength is that you can do everything with only the keyboard allowing you to be fast and efficient.
Multi Commander is built using an Extension/Plug-in architecture. Almost everything in Multi Commander is a Extension/Plug-in. This allows the user to disable some extension if wanted. And it also allows for new features to be added in a easier way and for 3de party developers extend Multi Commander with more function.