How do you update Apple TV?

Update your software**Select Settings > General > Update Software. Apple TV checks for an available update; if one is available, a download message should appear.**Click Download and Install to start the download process. Do not disconnect your Apple TV during the update process. read more

On Apple TV 4K or Apple TV (4th generation), go to Settings > System > Software Updates and Select Update Software. * If there's an update, select Download and Install. Wait for your Apple TV to download the update. Don't disconnect or unplug your Apple TV until the update completes. read more

Then you’ll see the Apple TV Software Update progress at the top of iTunes. After the Update is downloaded and installed, your system will restore the Apple TV. When the update is finished click OK. read more

Should this happen to you, you will need to check for updates manually and this tutorial will teach you how to do just that. How to update software on 4th generation Apple TV. Step 1: To check for updates, go to Settings → System → Software Updates and select Check for Update. read more