A VPN-enabled router can provide online privacy for any device connected to it. But not all router models allow it.
By way of comparison, an uncompressed 1080p 60 HD signal translates into 3000 Megabits per second (or 3Gigabits per second).
You can edit the hosts file with any text editor. There are a variety available, but both Windows 10 and 11 come with Notepad ...