Apple Music tracks, iTunes M4P songs, and audiobooks (M4A/M4B/AA/AAX).
While requirements vary by version, the software generally requires: Best Apple Music DRM Removal Review - NoteBurner NoteBurner iTunes DRM Audio Converter 2.4.1
Users typically seek out this specific older version if they are running an older operating system (like macOS High Sierra or Mojave) that is incompatible with the latest 6.x builds. System Compatibility (General) Apple Music tracks, iTunes M4P songs, and audiobooks
Capable of converting at up to 10X speed while preserving original ID3 tags (title, artist, album, etc.) and metadata. Version 2.4.1 Context Apple Music tracks