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...
Starting a tech career from completely zero can feel scary. Maybe you think you’re not smart enough. Maybe you feel late compared to others. Or maybe you don’t know where to begin. But here’s the truth: almost everyone who works in tech today once started with zero knowledge. If they can do it, you can too. In this guide, I’ll walk you through a simple, practical, and beginner-friendly roadmap that will help you start your tech career even if you know nothing right now. 1. First, Understand Why You Want a Tech Career Before learning any skill, get clear about your reason. Ask yourself: Do I want a stable career? Do I want remote work or freelance work? Do I enjoy solving problems or building things? Am I doing this for better salary? Your “WHY” will keep you motivated on the days you feel stuck. 2. Choose One Tech Path (Don’t Try to Learn Everything) Tech is huge, and beginners often get confused because they try to learn too many things at once. Instead, pick one ...