That being said, I couldn't find a direct download link for Synthesia 9.x patch. However, I can suggest some alternatives:
: For many users, a one-time purchase provides lifetime access to features like MIDI file synchronization and sheet music integration, which is often cited as a better long-term investment than seeking risky patches.
By promoting awareness about the risks and consequences of cracked software, we can foster a safer and more supportive environment for music learners and software users alike.