XYPLORER is a handy file explorer with tabs and some very useful features like Search, Preview files etc. This application can be a portable too, so that you can use it from your USB drive.
The features includes
Multi Tab interface which allows you to open different folders in different tabs. You can rename, drag and drop tabs. You can save tab sets and can reopen them if you want.
Dual pane (toggle with the key F10) – for easy comparisons of files
Easy to navigate – you can easily navigate the computer with just 6 keys, You can customize the keyboard shortcuts
Supports Scripts, User defined commands, batch rename of files etc.
Preview of the files support many formats, office files, HTML, PHP etc. Image files etc.
Full support of Drag and Drop
Click and tag single or all selected items to labels or categories
You can read the list of features here
This application will support Windows 98 to Windows 8.1 (Both 32 bit and 64 bit versions). A free version of this product is available while you can get the pro version (which have some additional features than the free version) for free just today (September 9, 2014 from this link