https://www.bitdefender.com/solutions/free.html
Bitdefender FREE
Lightning-fast free antivirus
Bitdefender Antivirus Free Edition is blazing fast, free to use, and loaded only with the bare-bones protection features that every computer needs.
Installs in seconds, runs at max speed...
https://www.vizio.com/tvs/e50e1.html
Note: If you use an external antenna to watch local over-the-air broadcast TV signals, a TV tuner is required and sold separately.