Well if Lucas did not stop making them in 83, and pre production had commenced in late 83 on the sequel trilogy we could have had episode 7 as early as 1986, then episode 8 in 1989, and Episode 9 in 1992. Then the first prequel in 1995, the second in 1998, and the third in 2001 as he had originally planned i believe.
Plus we would not have needed as much over use of cgi, at least in the sequels though the prequels should have also been minimal cgi or cgi free. Then make sure you don't create non existent characters from the original backstory like qui gon and jar jar binks, dooku or darth maul, have yoda as kenobis master, have anakin older in episode 1. Have Anakin and Obi as good friends, actually make anakins turn make sense and start out with him being a good guy and likeable like luke from the oot.
Make sure not to cast Natalie Portman as Luke and Leia's mother, or Hayden as Anakin.
No padawans, i prefer the term apprentice and no god awful midi-chlorians.
No coruscant an EU creation, name the planet something else, Had Abbadon was not any better.
There was no jedi temple in existence in the oot, and if there has to be a jedi temple why on the stomping grounds of palpatine seems a bit too convenient.