[header] How to drag a movie to an itunes media library [title] Open the itunes application onto your computer's desktop. [substeps] Be sure to slightly minimize the itunes window so you can open up a second window. [title] Locate the " macintosh hd " icon on your desktop and double-click the icon in order to open it. 
[substeps] Once the macintosh hd window is open, locate the folder in which the movie file is located. The actual location of the movie file itself can vary based on where you originally saved the file.