In short
The fastest way to learn the I Ching is to move through five layers in order: the question, the primary hexagram, the changing lines, the core glossary, and the trigram structure behind the cast.
Learning path
This is the main learning path for Hexagram. Start here if you want to understand how to ask a better question, how to read a hexagram, how changing lines create transformation inside a cast, and how the glossary and trigrams support the whole reading structure.
In short
The fastest way to learn the I Ching is to move through five layers in order: the question, the primary hexagram, the changing lines, the core glossary, and the trigram structure behind the cast.
See the structure of the I Ching mapped visually before reading the explanations.
Pin down the core terms: yin and yang, trigrams, hexagrams, and changing lines.
Study qian, kun, dui, li, zhen, xun, kan, and gen as reusable structures.
Frame a question that gives the oracle something real to answer.
Understand what the two figures are telling you together.
Learn how movement inside the cast creates transformation.