This may take awhile, but only needs to be done once, and you won't need all of these. If you don't see a series of new icons, then you probably need to refresh your screen. Show All Newsgroups again. This should show a series of new groups. Netscape Navigator organizes the discussion groups into folders sorted by their first word.
Most discussion groups begin with either alt.
All of the discussion groups that begin with a certain prefix will be organized into one folder. If you've never used the newsreader in IE, a wizard will pop up leading you through the preliminaries. Click OK to exit this window. Under the News Server box click the Add button. This is a separate news server hosted by Macromedia.