This document provides instructions for opening Microsoft Teams on laptops and mobile devices. It explains that for laptops without Teams installed, the user should click the Windows key to open the app store and install Teams. For laptops with Teams installed but no Outlook account, the user should sign in through the browser and click "Open with Desktop App" to launch Teams. For mobile, the user should download Teams, create an Outlook account, and sign in to access meetings through invitation links. The document also covers scheduling meetings as a teacher through the desktop or mobile versions of Teams.