This book explores how to get started with Raspberry Pi 4 Model B. Various common and specific tasks on Raspberry Pi are explained with step-by-step approach. The following is a list of highlight topic in this book: * Introduction to Raspberry Pi 4 * Selecting Operating System * Powering Up and Running * Connecting to a Network * Raspberry Pi Programming * Working with Bluetooth and iBeacon * Deploying LAMP Stack * Accessing GPIO * Raspberry Pi 4 Serial Debugging