Download and use Multi Commander free of charge.

Download Full Installer

100% clean from third party software. No other software than Multi Commander will be installed.
Multi Commander does not change any settings in Windows, And does not hook it self into anything inside Windows.

You can also download a previous version if you need to.

Download Portable version

The Portable version is a preconfigured version of Multi Commander that is configured to store all configuration and settings in the same folder that it is run from. Just unpack the portable version and run it MultiCommander.exe.
If you already have Multi Commander installed you can create a portable version by selecting "Install Multi Commander to USB Device" in the help menu.

Since the portable version is a normal zip archive, you cannot know if anyone else has changed and modified the files inside.
So ONLY download the portable version from this site.