How to Install NPM in Windows [ OverView ]

• In this article you will learn:
• 1.Prerequisites
• 2.How to Install a Node.js and NPM on Windows
• 3.How to Update a Node.js and NPM on Windows
• 4.How to Uninstall a Node.js and NPM on Windows
• 5.Writing a first program on node.js
• 6.Conclusion

1.Prerequisites

• A user account with an administrator privileges (or ability to download and install software)
• Access to a Windows command line (search > cmd > right-click > run as a administrator) OR Windows a PowerShell (Search > Powershell > right-click > run as a administrator)
• Hardware requirements
• RAM 4GB
• A CPU Intel Core i3TM i3 HQ CPU @2.50 GHz
• ROM 256 GB
• Software requirement
• Chocolatey

Attention: will also need a stable internet connection because will be downloading most of this software.

How to Install a Node.js and NPM on Windows

Step 1:

• Download a Node.js Installer
• Click a Windows Installer button to download latest default version.
• At a time this article was written, version 10.16.0-x64 was the latest version.
• The Node.js installer includes a NPM package manager.

Step 2:

Install a Node.js and NPM from Browser

• 1. Once installer finishes downloading, launch it. Open a downloads link in a browser and click the file. Or, browse to a location where have saved a file and double-click it to launch.
• 2. The system will ask if want to run a software – click Run.
• 3. will be welcomed to a Node.js Setup Wizard – click Next.
• 4. On next screen, review license agreement. Click Next if agree to the terms and install software.
• 5. The installer will prompt for an installation location.
• 6.Leave a default location, unless have a specific need to install it somewhere else – then click Next.
• 7. The wizard will let select components to include or remove from an installation. Again, unless have a specific need, accept defaults by clicking Next.
• 8. Finally, click Install button to run installer. When it finishes, click Finish.

Step 3:

• Verify Installation
• Open command prompt (or PowerShell), and enter following:
• node -v
• The system should be display the Node.js version installed on a system. And can do the same for a NPM:
• npm -v

How to Update a Node.js and NPM on Windows

• The simplest way to update Node.js and NPM is to download a latest version of the software.
• On Node.js download page, right below the Windows Installer link, it will display a latest version.
• And can compare this to the version have installed.
• To upgrade, download installer and run it.
• The setup wizard will overwrite a old version, and replace it with a new version.

How to Uninstall a Node.js and NPM on Windows

Can uninstall Node.js from a Control Panel in Windows.To do so:

1. Click Start button > Settings (gear icon) > Apps.

2. Scroll down to find a Node.js and click to highlight.

3. Select Uninstall. This launches the wizard to uninstall software.

Basic Node.js Usage

• Node.js is the framework, which means that it doesn’t work as the normal application.
• Instead, it interprets commands that are write.
• To test a new Node.js installation, create Hello World script.

1. Start by launching the text editor of choice.

2. Next, copy and paste a following into the text editor have just opened:

3. Save a file, then exit. Open PowerShell, and enter the following:

• node \users\\myprogram.js
• It will look like a nothing has happened. In reality, a script is running in a background.
• click Allow.

4. Next, open the web browser, and enter into the address bar:

• In a very upper-left corner, should see a text Hello World!
• Right now computer is acting like a server.
• Any other computer that tries to access a system on port 8080 will see Hello World notice.
• To turn off a program, switch back to the PowerShell and press Ctrl+C.
• The system will switch back to the command prompt.
• And can close this window whenever are ready.

Writing a first program on node.js

Now that have a successfully downloaded and installed node.js in a system, let’s learn how to write program using node.js Follow steps to write a r first program.

Step-1: Create the folder and name it. (Here have created the folder named Node Programs.

Step-2: Open any code editor of the choice (using a Visual Studio Code).

Step-3: Click on a file menu and open the folder just created.

Step-4: Once open a folder, create a file and name it. (have created a file named as a welcome.js)

Step-5: Write a program and save it using (Ctrl + S).

Step-6: Start a debugging using shortcut f5.

Conclusion

• Should now be able to install both Node.js framework, and NPM package manager.
• Also written a first node.js JavaScript program!
• The NPM framework gives a access to many various JavaScript solutions.