Purchase the legitimate Schott score (standard notation). Then, use a pencil and blank tab sheets (or software like Guitar Pro or MuseScore) to manually add fingerings and fret numbers. This is how professionals learn the piece—it forces you to analyze the fingerboard logic.
Once you have secured a legal Concierto de Aranjuez guitar tab PDF, here is how to master the piece: concierto de aranjuez guitar tab pdf
Unlike a simple folk song, the Concierto de Aranjuez was written for guitar and orchestra. Most transcriptions you find are either: Purchase the legitimate Schott score (standard notation)
Before you search for that PDF, decide which version you actually need. Before you search for that PDF, decide which