How to Install IntelliJ IDEA for Java Development (2026 Guide)

Introduction

IntelliJ IDEA is one of the most popular Java IDEs used by beginners and professional developers alike. It provides smart code completion, debugging, refactoring tools, Maven and Gradle support, Git integration, and many productivity features that make Java development faster and easier.

In this guide, you'll learn how to download, install, and configure IntelliJ IDEA on Windows. By the end, you'll have your development environment ready to write and run Java programs.

Quick Answer

To install IntelliJ IDEA:

1. Download IntelliJ IDEA Community Edition.

2. Run the installer.

3. Enable Desktop Shortcut.

4. Associate Java files.

5. Install the JetBrains Runtime.

6. Launch IntelliJ.

7. Configure your installed JDK.

8. Create your first Java project.

What is IntelliJ IDEA?

Explain:

• Java IDE

• Developed by JetBrains

• Supports Java, Kotlin, Groovy, Scala and many other languages

• Used by millions of developers

• Smart code completion

• Debugger

• Refactoring

• Version Control

• Maven

• Gradle

Why Use IntelliJ IDEA?

Community vs Ultimate

Recommendation box:

If you're just starting Java, install Community Edition. It's free and includes everything you need for learning Java.

Prerequisites

Before installing IntelliJ IDEA, make sure you have the following:

• Java JDK installed (If you haven't installed it yet, follow our How to Install Java JDK guide.)

• Windows 10 or Windows 11

• At least 8 GB RAM (16 GB recommended for a smoother experience)

• 4 GB of free storage space

• A stable internet connection to download IntelliJ IDEA and any required components

Step 1 — Download IntelliJ IDEA

Explain:

• Visit the official JetBrains website.

• Click Download.

• Choose Community Edition.

• Select the Windows installer.

• Download the .exe file.

Step 2 — Install IntelliJ IDEA

Walk through:

• Double-click installer.

• Click Next.

• Choose installation folder.

• Create Desktop Shortcut.

• Add "Open Folder as Project".

• Associate .java files.

• Install.

Step 3 — Launch IntelliJ IDEA

Explain:

• Accept license.

• Import settings (optional).

• Choose Light/Dark theme.

• Finish setup.

Step 4 — Configure Java JDK

Explain:

• New Project

• SDK

• Add JDK

• Browse installed JDK folder

• Finish

Step 5 — Create Your First Java Project

public class Main {
    public static void main(String[] args) {
        System.out.println("Hello, TheTechLane!");
    }
}

Explain:

• Main class

• main() method

• println()

• Run button

Project Structure

HelloJava/
│
├── src/
│   └── Main.java
│
├── .idea/
│
└── HelloJava.iml

Explain each folder.

Keyboard Shortcuts

Common Installation Problems

Quick Summary

By following this guide, you learned how to:

• Download IntelliJ IDEA Community Edition

• Install IntelliJ IDEA on Windows

• Configure the Java JDK in IntelliJ IDEA

• Create your first Java project

• Run your first Java program

• Troubleshoot common IntelliJ IDEA setup issues

Your Java development environment is now ready, and you're all set to start building Java applications.

Frequently Asked Questions (FAQs)

1. Is IntelliJ IDEA free?

Yes. IntelliJ IDEA Community Edition is free and open source, while Ultimate Edition is a paid version with additional enterprise features.

2. Should beginners use IntelliJ IDEA?

Yes. The Community Edition is beginner-friendly and provides everything needed to learn Java programming.

3. Can I use IntelliJ IDEA without Java installed?

You can install IntelliJ IDEA without Java, but you'll need a JDK installed to create, compile, and run Java applications.

4. Which IntelliJ IDEA edition should I download?

If you're learning Java, download the Community Edition. Choose Ultimate Edition only if you need advanced frameworks like Spring Boot or Jakarta EE.

5. Does IntelliJ IDEA support Spring Boot?

Yes. Spring Boot support is available in the Ultimate Edition. The Community Edition has limited support.

6. Can IntelliJ IDEA open Maven projects?

Yes. IntelliJ IDEA has built-in support for Maven projects and automatically imports dependencies from the pom.xml file.

Key Takeaways

• IntelliJ IDEA is one of the most popular IDEs for Java development.

• The Community Edition is free and ideal for beginners.

• A Java JDK must be installed before creating Java projects.

• Configuring the correct Project SDK ensures your applications compile and run successfully.

• IntelliJ IDEA includes powerful features like code completion, debugging, Git integration, and Maven support.

• With IntelliJ IDEA set up, you're ready to start writing, running, and debugging Java applications efficiently.

Previous Lesson

← Installing the Java JDK

What's Next?

Now that IntelliJ IDEA is installed and configured, it's time to write and run your first Java application.

Next Lesson → Your First Java Program

Continue Learning

Explore more beginner-friendly Java tutorials:

• What Is Java?

• History of Java

• Features of Java

• Java Editions (SE, EE & ME)

• Installing the Java JDK

• Installing IntelliJ IDEA

• Your First Java Program

• Java Program Structure

• JDK vs JRE vs JVM

Have a Question?

If you run into any issues while installing or configuring IntelliJ IDEA, leave a comment below.

We'll help you troubleshoot the problem with clear explanations and practical solutions so you can get back to coding quickly.

Happy Coding! ☕

Follow TheTechLane

Want more Java tutorials, programming tips, and developer resources?

Follow TheTechLane on LinkedIn, X, Instagram, Threads, and Pinterest to stay updated whenever a new tutorial is published.

Learn. Build. Share.

— TheTechLane