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How to install angular 9 in the windows operating system

Learn how to install angular 9 in the windows operating system. To install angular some prerequisites are required like npm & node.

Angular 9 Installation

To install angular 9 in your windows operating system please be sure you have already installed these prerequisites in your operating system.



Before you begin, make sure your development environment includes Node.js? and a npm package manager.



Angular requires a current, active LTS, or maintenance LTS version of Node.js. See the engines key for the specific version requirements in our package.json.

To check your version, run node -v in a terminal/console window.

To install Node.js, go to and download node.js and install on your operating system.


npm - Node Package Manager

Angular, the Angular CLI, and Angular apps depend on features and functionality provided by libraries that are available as npm packages. To download and install npm packages, you must have a npm package manager.

This setup guide uses the npm client command line interface, which is installed with Node.js by default.

To check that you have the npm client installed, run npm -v in a terminal/console window.


Step 1: Install the Angular CLI

You use the Angular CLI to create projects, generate application and library code, and perform a variety of ongoing development tasks such as testing, bundling, and deployment.

Install the Angular CLI globally.

To install the CLI using npm, open a terminal/console window and enter the following command:

npm install -g @angular/cli


Step 2: Create a workspace and initial application

You develop apps in the context of an Angular workspace.

To create a new workspace and initial starter app:

1) Run the CLI command ng new and provide the name my-app, as shown here:

ng new my-app

2) The ng new command prompts you for information about features to include in the initial app. Accept the defaults by pressing the Enter or Return key.

The Angular CLI installs the necessary Angular npm packages and other dependencies. This can take a few minutes.

The CLI creates a new workspace and a simple Welcome app, ready to run.


Step 3: Run the application.

The Angular CLI includes a server, so that you can easily build and serve your app locally.

Go to the workspace folder (my-app).

Launch the server by using the CLI command ng serve, with the --open option.

cd my-app
ng serve --open

The ng serve command launches the server, watches your files, and rebuilds the app as you make changes to those files.

The --open (or just -o) option automatically opens your browser to http://localhost:4200/.

You will see:

Welcome to my-app!

This is followed by Angular Docs


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