This document provides a step-by-step tutorial on how to use the Microsoft To-Do application to manage tasks and lists. It explains that Microsoft To-Do is a cloud-based task management application that allows users to create and manage to-do lists from various devices. The tutorial then outlines 34 steps for how to download, sign up for, and navigate the Microsoft To-Do app, including how to create lists, add tasks, set reminders and due dates, and mark tasks as complete.