1. First, download and install Daoan screen sharing software on the device that supports the screen sharing function.

2. Secondly, download and install the same screen software on the device that needs projection, and ensure that both of them are connected to the same network.

3. Then open the same screen software, match or connect according to the prompts, and establish the connection between the two devices.

4. Finally, select the content to be projected in the same screen software, and then project the content to the device that supports this function.