• Quit Director
• Download the sequenceXtra Demo pack (if You already have the demo or the full version just stay with it) and put the Authoring version in Your Xtras folder.
• Add the following line to the "Xtrainfo.txt" file in Your Director folder:
  [#namePPC:"SeqXtraAuthor_1_8.PPC", #nameW32:"SeqXtraAuthor_1_8.x32",
  #package:"http://www.sourceforce.nu/Seqxtrapacks/sequenceXtraPack_1_8",
  #info:"http://www.sourceforce.nu"]
  Be sure to put the whole list on ONE LINE.
• Download the sequenceXtra Behaviors, extract them and put them in
  the "Libs" folder in Your Director folder.
• Start Director
• Select Modify -> Movie -> Xtras.
• Select sequenceXtra from the list and check "Download if needed".
  Be sure to uncheck "Include in Projcetor" (must be done in each movie)

That's it. You're ready to go thru the Tutorial. Good Luck!