XYplorer

XYplorer is a multi-tabbed file manager for Windows, featuring a very powerful file search, versatile preview facilities, a highly customizable interface, and a large array of unique ways to efficiently automate frequently recurring tasks. It's extremely fast and light, it's innovative, and it's fun!

Why XYplorer?
XYplorer is a portable file manager. It doesn't require any installation, nor does it ever change your system or registry. Ideal for a USB drive.
Here's cutting-edge file management using a true multi-tabbed interface. If you like dual pane, you will love multi-tabs!
XYplorer features a high-end file search with tremendous power and truly amazing speed. It fully supports Boolean logic, Regular Expressions, content search, and more...