multi-tab file manager
Explorer++ is a free multi-tab file manager that features the same familiar interface as Windows Explorer, while introducing several enhancements and improvements for a much richer file browsing experience.
Features
-Display window shows previews of files as they are selected.
-Easy-to-remember keyboard shortcuts for quick navigation.
-Customizable user interface.
-Full drag-and-drop support with other applications, including Windows Explorer.
-Advanced file operations such as merging and splitting supported.
-32-bit and 64-bit versions combined into a single automatic package.
https://portableapps.com