After iOS, watchOS and MacOS Apple released to developers also fourth beta version of TVOS 10.1 for the fourth-generation Apple TV . This update enables two weeks after the release of the third beta and about one month after the public release of TVOS 10.
For those who have already installed the previous beta TVOS 10.1, the update is available over the air, directly through Apple TV connected to the Wi-Fi network.
If this is the first installation, you must use a USB-C cable to connect the Apple TV to a Mac to download the configuration profile of TVOS. Once done this, the rest of the upgrade takes place in Over-The-Air mode.