When you see "UPD" (updated) attached to a torrent file, it usually implies a repackaged version meant to bypass the latest Kontakt security measures. Here is why downloading these is a gamble:
that automatically chooses which string a note should be played on to mimic real guitar fingering. The "Torrent" Twist Nylon Guitar — Ilya Efimov instruments
Any archive files without "part" in the name must be unpacked separately into the same root folder.