Now, you have to select the device on which you want to cast it. Cast Desktop: In this, you can cast the entire display of your Windows 10 screen.Cast Tab: In this option, you can only cast a particular tab.There are three types of casting options, that can be accessed by clicking on the sources button. But by default “Cast Tab” option is selected which means in this type of casting only the particular chrome tab will be mirrored on your TV. After that, you will see all the listed Chromecast-enabled devices on which you can cast.Open Google Chrome, tap on the top right side click on the three-dot menu, and find the cast option in the list.Now make sure both your TV and Windows PC/Laptop are on the same WiFi network.Download and install the Google Chrome web browser on the PC.How to setup Google Chromecast on Windows Prerequisites.Steps to Setup Chromecast on Windows PC.