Abstract: Microsoft Power BI is a leading business analytics tool that enables users to connect, transform, visualize, and share data. Based on the foundational teachings of the "2020 Edition" introductory video series, this paper provides a condensed, actionable guide to Power BI’s core components: Power Query, Data Modeling, DAX, and Report Building. It serves as a bridge between video instruction and practical application. 1. The Power BI Ecosystem (As Taught in 2020) The 2020 videos emphasize that Power BI is not a single application but a suite of tools: