How to mirror any Chrome tab on a Mac or Windows PC to a TV via Chromecast: These steps work the same way on an Mac or Windows PC. Download and install it from here if you haven't already, and then read on to know what to do next. The easiest way to send an online video to your Chromecast is to use the Google Chrome browser. If you want to stream content from your phones to the Chromecast, whether you are using Android or iOS, the steps are pretty straightforward, but what do you do if you're trying to get videos from your laptop (or desktop PC) to the television screen? Actually, there's a lot of different ways to accomplish this, and we've tried extensions, standalone applications, and so on, until we realised that the easiest way is frankly to just use the Chrome browser. And the best part about it is that as long as you've got a working Wi-Fi network in the place, you've got a whole host of options when it comes to getting your videos onto the big screen. One of our favourite gadgets to have around the house is the Google Chromecast - the little dongle is affordable, and really useful if you like getting your content on the big screen.