What is Power BI? A Complete Beginner’s Guide to Features, DAX & Uses (2026) If you work with data — or you want to — you’ve probably heard the name Power BI at least once. Maybe your manager mentioned it. Maybe you saw it on a job description. Or maybe you’re just curious about what all the fuss is about. Well, you’re in the right place. In this guide, we’re going to cover everything you need to know about Power BI — what it is, what it does, how to install it, how it compares to Excel, and how to write your first DAX formula. Whether you’re a complete beginner or someone who has used Excel for years, this guide is for you. Let’s get started! What is Power BI? Power BI is a business intelligence and data visualization tool developed by Microsoft. In simple words, it helps you take raw data — from Excel files, databases, websites, or apps — and turn it into beautiful, interactive reports and dashboards Instead of staring at boring rows and columns in a spreadsheet, Power BI lets y...
Introduction If you are new to programming or web development, you might have heard the name GitHub many times. At first, GitHub may look confusing, but don’t worry. In this article, I will explain how to use GitHub as a beginner in very simple words. By the end of this guide, you will understand what GitHub is, why it is important, and how to use it step by step. What Is GitHub? GitHub is an online platform where developers store, manage, and share their code . It helps you save your projects safely and work with others easily. Think of GitHub like: Google Drive for code A place where your coding projects live online GitHub uses a tool called Git , which tracks changes in your code. Why Should Beginners Use GitHub? As a beginner, GitHub helps you: Save your code online safely Track changes in your projects Share your work with others Learn from other developers’ projects Build a strong developer profile Many companies also check GitHub profiles during ...