To make the most out of your Google TV, you should make sure to always keep it up to date with the latest firmware and software updates from Sony and Google. If your TV is connected to the internet you will be prompted to update as soon as a new one is available. But if you've dismissed this notification and would still like to update then you can do this quickly and easily. Here is a short video showing step-by-step how easy it is to update!
For how to perform software update, refer to the How do I perform a Software (Firmware) update for my Android TV™/Google TV™? article.