Even with free programming software, you must only program frequencies you are legally licensed to use (e.g., GMRS, amateur radio, or business band with an FCC license). Transmitting on public safety or military frequencies is a serious crime.
HYT (now part of ) typically does not offer their programming software as a free public download. The software is usually provided only to authorized dealers and technicians. This is because: hyt tm-610 programming software free download