Look for reputable online television repair communities, enthusiast forums, or local technician databases where files are vetted and shared by community members.
Here is a guide on how to approach this safely and effectively.
The safest places to get free TV firmware are community-driven technician forums. Look for threads on: Kazmi Elecom Remont-AUD (requires a basic electronics quiz to register) BadCaps Forums Electroanya
"Windows says the software is incompatible." Solution: This software was likely written for Windows XP or 7. Right-click the installer > Properties > Compatibility tab > Select "Run this program in compatibility mode for Windows 7."