If you truly need extra quality beyond free offerings, consider professional foundries:
Prices range from $30 to $500 per family, but you get full commercial rights, professional kerning, and multilingual support.
Between 2015 (approx. when "92615" might originate) and today, Khmer typography has leaped forward: allkhmerfonts92615 extra quality
Today, you do not need shady archives. Quality Khmer fonts are standard on every major OS, and free professional-grade fonts exceed anything available in 2015.
Many fonts included in these "All-in-One" packs are intellectual property. If you truly need extra quality beyond free
Use Khmer OS Muol or Preah Vihear for impact.
Because this appears to be a specialized release, typical sources: Prices range from $30 to $500 per family,
If you cannot locate the exact “92615” version, the standard Khmer OS Extra Quality or Battambang Extra packs offer equivalent quality.
Before chasing phantom packages, understand the technical hallmarks of premium Khmer typography:
Older non-Unicode fonts (like Limon, ABC, or the pre-2010 Khmer OS legacy) don't work on modern browsers or smartphones. Extra quality means full Unicode 13+ support, including all Khmer characters (U+1780 to U+17FF) and Kunmuhr (U+19E0–U+19FF).