This upgrades the 80s EP "Warm" 140 for Kontakt to the Pro version. You need the 140 version for it to work. The 80s EPs are virtual versions of 4 iconic electric piano sounds from the Yamaha DX7 Mark II, each counting two times 1144 24bit/48kHz samples for the Pro versions and 140 samples for the 140 versions. There are three more of them: 80s EP Bright, Classic and FM. Full version of Kontakt 3.5 or higher only!