This article will show you how to set up Google Chromecast on your TV and WiFi.
How to Use Google Chromecast: A 5-Minute Setup Guide
Setting up a Chromecast is relatively quick and easy, but there are a few steps you need to go through to achieve this.
Connect the Chromecast to a free HDMI port on your TV and the power cable to a free USB port or, if you prefer (or are using a Chromecast Ultra), to a wall socket.
Next, turn on your TV and use your remote to select the correct HDMI input for the Chromecast.