How to Install Next.js

Next.js is a powerful React framework for building fast and scalable web applications. This guide will walk you through the installation process.

Prerequisites

Before installing Next.js, ensure you have the following installed:

• Node.js (>= 16.8)
• npm or yarn

You can check if you have Node.js installed by running:

If the model is predicting the next word in:

"The sky is __"

It might assign probabilities like:

"blue" → 80%

"green" → 10%

"red" → 5%

Other words → Remaining 5%

If you don’t have it, download and install it from Node.js official website.

Step 1: Create a Next.js App

To create a new Next.js application, use the following command:

npx create-next-app@latest my-next-app

Or using yarn:

yarn create next-app my-next-app

This command sets up a Next.js project with all the necessary dependencies.

Step 2: Navigate into the Project Folder

cd my-next-app

Step 3: Start the Development Server

Run the following command to start the development server:

npm run dev

Or using yarn:

yarn dev

Your application will be available at http://localhost:3000.

Step 4: Open the Project in a Code Editor

You can open the project folder in VS Code using:

code .

Step 5: Modify the Homepage

Open pages/index.js and modify the contents:

export default function Home() {
  return (
    <div>
      <h1>Welcome to My Next.js App!</h1>
    </div>
  );
}

Save the file and refresh your browser to see the changes.

Conclusion

You have successfully installed and set up a Next.js application. You can now start building your project!