Once you have mastered the first 20 exercises in C major, do not just repeat them mindlessly. Use a PDF editor (or a highlighter) to transform the exercises:
A dedicated fan site that has formatted the exercises individually. You can download a PDF of Exercise 1-20 as a single file, or each exercise separately. They also include MIDI files to hear the correct rhythm. hanon exercise pdf
If you type "Hanon exercise PDF" into Google, you will get millions of results. Here are the three safest, highest-quality sources: Once you have mastered the first 20 exercises
Charles-Louis Hanon died in 1900. In most of the world, copyright expires 70 years after the author’s death. Therefore, the original exercises are in the public domain. They also include MIDI files to hear the correct rhythm
There are several reputable sources to find these exercises for free or through subscription:
Hanon designed these patterns to address the physical limitations of the hand, particularly the weaker 4th and 5th fingers.