Please install PC Remote Receiver on your computer before using PC remote. Download the PC Remote Receiver at our official site for free: http://www.monect.com/pc-remote/ Here are features: • Devices simulation - Turn your device into a keyboard, touchpad, gamepad and more. • Game play - Play all kinds of PC games with specified button layouts (race,fly,GTA...). • Customization - Build and share your own defined layout. • Multimedia controller - Adjust computer volume, play pause video. Pan tilt zoom UAC cameras. • Remote desktop - Touch windows on your phone. • PPT sync - You can see the ppt pictures and notes directly on your phone even play select & mark. • Projector - Project phones screen, pictures, videos onto PC monitor. • File access - Explore download and edit files between phone and PC. • And many more... Note : If cannot connect, please make sure the phone and the pc are in the same network and check the firewall setting on PC.