In one word, One Commander is a file manager for Microsoft Windows that has been enhanced with new features, a completely redesigned user interface, and a better overall experience when navigating the filesystem and manipulating files.
The utility organizes your folders, subfolders, and files using a tree view, which ensures that you always know where you are in relation to the tree. You can open up multiple tabs at the same time, making it simple to switch between them and access the directories you require.
As useful as One Commander may be, it is clear that it is still in the development stage, as it occasionally crashes or freezes, indicating that more work needs to be done in order to improve its stability.
However, the program appears to be quite appealing and shows promise for the future, particularly if it continues to resolve its minor issues and increases the speed with which it responds in the future.