Make sure your Roku TV and your phone, tablet, or computer are connected to the same Wi-Fi network
Turn on your Roku TV
Press the Home button on your Roku remote
Go to Settings
Select System
Select Screen mirroring
Choose Screen mirroring mode
Select Prompt or Always allow
On Windows, press Windows key + K
Select your Roku TV from the list of available devices
On Android, open Quick Settings and tap Cast, Smart View, or Screen Cast
Select your Roku TV from the list of available devices
On iPhone or iPad, use AirPlay if your Roku TV supports it
Open Control Center
Tap Screen Mirroring
Select your Roku TV
On Mac, click the Control Center or AirPlay icon
Select your Roku TV
Enter the code on your device if prompted
Start the app, photo, video, or presentation you want to share
To stop mirroring, disconnect from the cast, AirPlay, or screen mirroring menu