Roku TV has a screen mirroring feature that is based on Miracast standards. To show you how to do it, we listed some workable ways and tools to cast PC to Roku below. However, it may be difficult for you to find a feasible way to do it. Aside from media files like movies and videos, you may also want to stream other files from your PC to your Roku TV. Enjoy streaming your favorite shows through Roku TV, a streaming device that allows you to watch media content across the internet.