Make sure your Roku device and your phone, tablet, or computer are connected to the same Wi-Fi network
Turn on your Roku device and TV
On Roku, go to Settings
Select System
Select Screen mirroring
Choose Screen mirroring mode
Select Prompt or Always allow
On Android, open Quick Settings and tap Cast, Screen Cast, Smart View, or Wireless Display
Select your Roku device from the list
On Windows, press Windows key + K
Select your Roku device from the list
On Mac, use AirPlay if your Roku supports it
Open Control Center on your Mac
Select Screen Mirroring
Choose your Roku device
On iPhone or iPad, open Control Center
Tap Screen Mirroring
Select your Roku device
Open the app or content you want to cast
Start playback or mirroring from the device
If prompted on Roku, allow the connection
To stop casting, disconnect from the cast menu or stop screen mirroring on your device