Make sure your Roku device and casting device are connected to the same Wi-Fi network
Turn on your Roku TV or Roku player
Enable screen mirroring on Roku if needed
On Windows, press Windows key + K and select your Roku
On Android, open the Quick Settings panel and tap Cast or Screen Cast
On iPhone or iPad, use a compatible app with AirPlay if your Roku supports AirPlay
Open a supported app on your phone, tablet, or computer
Tap the Cast icon in the app
Select your Roku device from the list
Start playing the content
To mirror your screen, use the screen mirroring option on your device
To stop casting, tap the Cast icon again or disconnect from the mirroring menu