Se eliminan arcaísmos complejos, permitiendo que la trama de pasión y codicia sea comprensible para lectores jóvenes.

While this is the "better" option for beginners, it does have drawbacks for the purist.

If you only need the story and not the specific Vicens Vives annotations, the full text of La Celestina (also known as the Tragicomedia de Calisto y Melibea ) is in the public domain:

The Vicens Vives edition is often considered "better" because it bridges the gap between the complex medieval Spanish and the modern reader, providing context on the tragicomedy’s themes of greed, love, and social class.