The Target software only available for Windows.
So for running Phonak Target fitting software you need Windows.
You can download Windows for free from Microsoft and install/use it as trial on a Mac.
It is possible to install and run Windows on Mac (desktop/laptop) via emulator/virtualisation software like vmware or parallels,virtualbox or bootcamp. Search the internet for more info how to emulate Windows on Mac
But you need Mac hardware with Intel processor for accessing the Noahlink Wireless programming adapter. The driver for Noahlink Wireless is only available for Intel procesors. No Noahlink driver available to support Apple M silicons (ARM based chips).
You can use the search function of the forum to find more help.