The safest method is to request the software download link through an official channel: Visit the official Hytera US or global website.
If you are looking to download the configuration tools for your TC780 or TC780M, these are the most reliable modern sources: hyt tc780 programming software download link
Reputable radio hobbyist archives (such as RadioReference or specialized Yahoo/groups.io successors) maintain community-vetted repositories of legacy CPS installer packages. The safest method is to request the software
HYT TC-780 Customer Programming Software (CPS) hyt tc780 programming software download link
Assign which channels the radio will monitor when the scan function is activated.
Ensure the radio is powered ON with a fully charged battery before clicking Read or Write. "Model Mismatch" Error