While less recommended due to ISP tracking, a healthy torrent exists for the "Energy Medicine Suite." To find it:
Do not download from pop-up ads or unknown websites. Use only: Download Aqua Energizer 100 Levels Free
This is the gray area. The original Aqua Energizer software is considered abandonware by many communities. The original distribution channels have largely disappeared, and no active copyright holder is aggressively marketing the 100-level version today. While less recommended due to ISP tracking, a
However, because the software is a digital audio tool, downloading it for personal use to experiment with water structuring generally falls under fair use for educational/private research, provided you are not selling it. or low-quality 5-level demos.
Warning: Be careful of scam sites. Many websites claiming "Free Download" actually deliver malware, ransomware, or low-quality 5-level demos.