This document provides an overview of best practices for preparing to upgrade to SharePoint 2016. It discusses upgrading farm roles and services, hardware requirements, database best practices, security considerations, and lifecycle management strategies. Key points include updating all servers to the latest versions, using SQL aliases instead of server names, enabling BLOB caching, and converting web applications to claims-based authentication before upgrading. The document aims to help IT administrators successfully upgrade their SharePoint infrastructure to the new version while maintaining performance and security.