1977 Theatrical Cut (unaltered version of the original cut for theaters: unaltered special effects and scores, not including scenes that were either added or altered to extend and improve the overall narrative of a New Hope)
2011 Remastered Cut (heavily altered cut for Blu Ray release including changes and revisions made in 1997 and beyond: includes revisions to the film's score and special effects -highly controversial-, Greedo shot first -highly controversial-, inclusion of Jabba and his gang to provide context later -highly controversial-, CGI scenery and effects added to particular scenes to make them more believable)