I hesitate to do this because things keep changing all the time. But maybe I should repeat the Widex: paragraph here for clarity;
Widex: COMPASS V5 fitting software is for hearing aid families prior to Widex DREAM platform. COMPASS GPS fitting software is for programming the DREAM family of hearing aids (or later), which can only be programmed wirelessly using Widex PRO LINK, Widex USB Link, or nEARCom.