Microsoft Power BI has revolutionized business intelligence since its public launch in July 2015, evolving from Excel add-ins into a comprehensive, AI-infused platform within Microsoft Fabric. As of December 28, 2025, marking the close of its tenth anniversary year, Power BI empowers over 375,000 organizations worldwide to turn data into actionable insights. The platform's growth reflects the explosion of data volumes and the demand for agile, self-service analytics, consistently leading in the Gartner Magic Quadrant for Analytics and Business Intelligence Platforms.This book, Microsoft Power BI (Bible), provides an exhaustive guide to mastering Power BI from beginner to expert levels. Structured with an introduction, eight progressive chapters, a conclusion, and FAQs, it covers the full workflow: installation and interface exploration, data connectivity and transformation, modeling, DAX calculations, visualization design, and enterprise deployment. The content emphasizes practical, hands-on learning with real-world examples, best practices, and alignment with the latest features as of late 2025, including enhanced Copilot integrations, web-based modeling parity, and visualization improvements.