A question on organizing Bookmarks in Mozilla Firefox 3.?

Hi there, can anyone please kindly send me instructions as how to create new file folders in the Bookmarks of Mozilla Firefox 3?

Thanks a million in advance.
You might check here:
http://support.mozilla.com/en-US/kb/Orga...
  • Firefox not downloading?
  • I'm having trouble with Mozilla Firefox...need helpz??
  • Is there a Firefox add-on to use alt-tab to switch between 2 tabs?
  • Firefox help..?
  • Why did Firefox mess with me?