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:
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Google Drive for code
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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:
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Save your code online safely
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Track changes in your projects
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Share your work with others
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Learn from other developers’ projects
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Build a strong developer profile
Many companies also check GitHub profiles during hiring, so learning it early is a big plus.
Step 1: Create a GitHub Account
To start using GitHub:
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Go to github.com
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Click on Sign up
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Enter your email, username, and password
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Verify your email address
That’s it. Your GitHub account is ready.
Step 2: Understand the GitHub Dashboard
After logging in, you will see your GitHub dashboard.
Important things you should know:
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Repositories: Your projects
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Profile: Your public information
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Stars: Projects you like
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Explore: Find other projects
Don’t worry if it looks new. You will get comfortable with it slowly.
Step 3: What Is a Repository?
A repository (repo) is a folder that contains your project files.
It can include:
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HTML, CSS, JavaScript files
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Python, Java, or C programs
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README file (project description)
Each project usually has one repository.
Step 4: Create Your First Repository
To create a repository:
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Click the + icon on the top right
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Select New repository
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Enter a repository name (example:
my-first-project) -
Add a description (optional)
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Select Public
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Check Add a README file
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Click Create repository
Congratulations 🎉 You have created your first GitHub repository.
Step 5: Upload Files to GitHub (Easy Method)
As a beginner, the easiest way is uploading files directly.
Steps:
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Open your repository
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Click on Add file
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Select Upload files
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Drag and drop your project files
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Click Commit changes
Your files are now saved on GitHub.
Step 6: What Is Commit?
A commit means saving changes with a message.
Example:
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“Added login page”
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“Fixed button alignment”
Every time you upload or edit files, GitHub asks for a commit message. This helps you understand what changes were made.
Step 7: Editing Files on GitHub
You can also edit files directly on GitHub.
Steps:
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Open a file
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Click the pencil (edit) icon
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Make changes
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Write a commit message
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Click Commit changes
This is useful for small updates.
Step 8: What Is Branch?
A branch is a copy of your project.
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Main branch: Original project
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New branch: Test new features safely
Beginners usually work on the main branch. You can learn branches later when you gain confidence.
Step 9: What Is README File?
A README.md file explains your project.
It usually includes:
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Project name
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What the project does
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Technologies used
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How to run the project
A good README makes your project look professional.
Step 10: Explore Other Projects
GitHub is also a learning platform.
You can:
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Search for projects
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Read other people’s code
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Learn how real projects are written
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Star repositories you like
This improves your coding skills slowly.
Common Mistakes Beginners Make
Avoid these mistakes:
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Not writing commit messages
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Uploading files without README
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Making repositories private unnecessarily
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Fear of making mistakes (GitHub tracks everything)
Remember, mistakes are part of learning.
Is GitHub Free for Beginners?
Yes, GitHub is free.
You can:
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Create unlimited public repositories
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Use private repositories
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Upload your projects without paying
Paid plans are only needed for advanced team features.
GitHub may feel difficult at first, but once you start using it, it becomes easy and useful. As a beginner, focus on:
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Creating repositories
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Uploading projects
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Writing README files
Practice regularly, and soon GitHub will feel like your second home.
If you are learning programming or web development, GitHub is a must-have skill.
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