If we are already familiar with Windows XP, then switch to using windows 7 and often open Windows Explorer, you may feel the difference in appearance. In the left pane you will see Favorites and Libraries Folder that consume space, while the other drives in the bottom position.
Favorites menu or the Library is useful For those of you who like to access via the Favorites or the Library, but if not then it it would be better if the these menu not displayed.
