I3 window manager, a popular tiling window manager for Linux and Unix-like systems designed to maximize productivity and efficiency. The benefits of using i3 such as customizable appearance, efficient window management, and versatility will be demonstrated. Presentation also covers the basics of getting started with i3, including installation, configuration, key bindings, and launching applications. Additionally, presentation includes how to use dmenu, rofi, i3lock and polybar in combination with i3.