Multi Commander is optimized to work with the Commander Styled setup. And this setup is optimized for keyboard usage, Because using the keyboard is a lot faster then using the mouse.
But if you are used to the way Windows Explorer work and do not want to learn or have a hard time to learning the commander styled way. It is possible to configure Multi Commander to work like Windows Explorer.
You will however lose some of the advantages of running Multi Commander.
Here is a quick guide on how to change to the Windows Explorer Setup.