This document describes the design of an online warranty management system. It includes sections on the project summary, objectives, tools and technologies used, system environment, analysis and design, testing, user characteristics, and data dictionary. The system allows customers to upgrade existing warranties, register new warranties, and check warranty details. It uses CakePHP framework on the front end and MySQL database on the back end. Functions include registration, login, upgrading warranty, registering products, and checking warranty details.