In case you username implies your choice of computer, here's a clip from a DIY School Hearing Aids (v2.2) PDF File named (01 Free Hearing Aid Fitting Software);
Will the fitting software work on my computer? The best answer for this question is typically found in a document published by the manufacturer and named (System Requirements). Generally, the fitting software works only on Windows Systems, or on Apple/Mac computers under emulation (example: Parallels Desktop for Mac or the free Boot Camp) though emulation still requires Windows to be installed.