There are two separate fitting software programs; See below Clips from DIY School Hearing Aids (v2.2) PDF File named (01 Free Hearing Aid Fitting Software);
Oticon Genie 2017.1 (for older/legacy models). Models (Alta2, Alta1/VA, Alta, Nera2, Nera, Ria2, Ria, Dynamo, Sensei, Chili, Intiga, Safari, Agil, Acto, Ino, Get, Sumo, Hit Pro, Hit, Epoq XW, Epoq W, Epoq V,Vigo Pro Connect, Vigo Pro, Vigo, GO Pro, Dual XW, Dual W, Dual V, Dual m, Delta, Tego Pro, Tego G, Safran, Adapto, Gaia, Atlas Plus, Atlas, Ergo, Swift, Syncro).
Oticon Genie 2 (for Newer/current models). Oticon Genie 2 software supports newer hearing aid models (beginning with the Oticon Opn) and (Intent, Real, More, Play PX, Own, Zircon, Xceed, Xceed Play, Opn S, Opn Play, Ruby, Opn, Siya). For Oticon Real models you will need to install Genie2 2023.1 version or later, and you may also need to install Genie 2 as (USA region) in order to access the Oticon Real models. New models may be added later.