I managed to find it from the forum - there's a Korean hifi shop that have the files hosted. Link below in case anyone finds this later:

Meridian software at K ONE AV

Rega P8, Rega Apheta 3, Gold Note PH-10 and PSU-10, Meridian G68ADV, Meridian 218, Moon 340i X, Dynaudio Special Forty, REL T7/x