VNC (Virtual Network Computing) is a client/server technology that lets you remotely control any target device. RealVNC has been around for many years and its VNC Connect tool is now available for Raspberry Pi.
VNC Connect is included in the Raspbian repositories, and lets you connect to your Pi from anywhere in the world, from a range of devices, using a cloud brokered or direct connection. The Pi version comes with some extra features and functionality, but there are some steps you'll need to follow before you can start using it.
Although VNC Connect is available in the Raspbian repositories you’ll need to install it by running the following terminal commands: