This book provides guidance on how to install Ubuntu Desktop 23.04 (Lunar Lobster) on the computer. Ubuntu is one of the popular distributions or distro Debian Linux based operating systems. Included in book are the screenshot of the screen to guide in steps installing Ubuntu in simple approach. As the Ubuntu Desktop 23.04 has the latest installer application with the legacy installer, both cover in this book. The latest installer is based on flutter apps and legacy installer provided there as alternatives for the user to choose. With the screenshot included for both installers, hopefully can help with a much effective step by step process. Hopefully this book can help in guiding installing Ubuntu Desktop 23.04 and enjoy Linux as operating systems.