First, open this application and click on the "Connect to the Internet" button. You will need to link it to the Internet in order to have access to this application.

After clicking on the "Start Screen Mirroring" button, you will be able to choose which device you want to connect to.

After clicking on the button, the device will be connected.

The device you want to connect to should have Wifi, so the device should be turned on.

This application is free and you can use it for your own purposes.