A: Yes, it is completely free. The Android-x86 project and the Android TV ports are open-source software, free to download and use.
The ISO file serves as an installable image that you can write to a USB drive, burn to a disc, or load into a virtual machine. Once booted, your computer functions exactly like an Android TV device — complete with the familiar Leanback Launcher, Google Play Store for TV apps, voice search capabilities, and streaming service compatibility.