(How to install Angular 8 or Angular 8 Environment setup)
Before to configure framework for Angular development using the Angular CLI tool, you must have installed Node.js on your system and set a development environment and npm package manager.
Angular requires version 10.9.0 of Node.js, or later. It is available for download from https:/nodejs.org/en/
You'll need to update it on your system after downloading.
See how Node.js is built on Windows
See how to install Linux / Ubuntu/ CentOS Node.js
If you have Node.js installed on your system, open command prompt node.js.
To check your version, run node -v in a terminal/console window.
Use the following command to install Angular CLI
npm install -g @angular/cli
npm install -g @angular/cli@latest
Just go to Angular CLI official website https://cli.angular.io/
To create an Angular App, you'll see the entire cli command. To install Angular CLI you need to run the first command. These steps are the same for Windows and Mac.
To check Node and Angular CLI version, use ng --version command.