On your A+, B+, Pi 2, or Pi 3 you will need to connect the main display ribbon cable between the display driver board and your Pi. Make sure you have a network connection and type this into Terminal: curl | bash You'll need the latest software and the Raspbian OS in order to drive the screen. You should have a recent Raspbian or NOOBS SD card, or update your existing card to make sure everything goes smoothly. You should have a good power supply, the official Raspberry Pi 2A or 2.5A supplies are a sound choice. This guide assumes you have a A+, B+, Pi 2 or Pi 3.
Getting Started with the Pi 7' Touchscreen LCD Pre-requisites
