Open Settings on your Windows 11 laptop
Go to System
Click Projecting to this PC
Set some Windows and Android devices can project to this PC to Available everywhere or Available everywhere on secure networks
Install the Wireless Display feature if prompted
On your Android phone, open Quick Settings
Tap Cast, Screen Cast, Smart View, or Wireless Display
Select your Windows 11 laptop from the list
Accept the connection request on the laptop if prompted
Start mirroring your phone screen to the laptop
To stop casting, disconnect from the phone or click Disconnect on the laptop
If your phone does not support built-in casting, install a casting app from the Play Store
Make sure both devices are connected to the same Wi-Fi network