The easiest way to access the full audio for all 96 lessons is through curated playlists on platforms like YouTube. These are often used as "video books" where you can read the text while you listen. : Comprehensive collections like the New Concept English 2 Complete Audio cover lessons 1 through 40 and beyond.
I notice you’re asking for a of the New Concept English: Practice and Progress audio download, rather than a direct download link (which would likely violate copyright). new concept english practice and progress audio download