A: 99% of those links are scams designed to generate ad revenue or spread malware. The 1% that work are just renaming existing Android-x86 ISOs. You will not get the actual Android TV interface (Leanback UI) from those files.
This tool writes .img files directly to SD cards or USBs. android tv iso file download
The file will be approximately 600MB to 1GB compressed. Do not decompress it manually. A: 99% of those links are scams designed
Now that you know the truth, you can focus on actually installing a working version of Android TV using the correct tools and file formats. Good luck with your project android tv iso file download