NPM

NPM is a package manager for the JavaScript programming language. Install it to be able to install other applications too using Node.js.

On macOS

• In the terminal execute

brew install node

On Windows

• Download the 64 bit version of the Windows Installer (.msi) from https://nodejs.org/en/download/
• Start the installation
• On the Tools and Native Modules select Automatically install the necessary tools
  
• Press the Enter key to build the Node.js native modules
  
• Press enter again to accept the license
  
• Allow PowerShell to execute the scripts
• When you see the message
  Packages requiring reboot: …
  press enter to close the window and reboot the computer
  

In case of errors

• Run the Install Additional Tools for Node.js from the Start Menu to complete the failed installation