https://nodejs.org/en/download/
Verify by checking versions as follows.
node -v
npm -v
2. Install the latest version of Angular CLI
npm install -g @angular/cli
Verify by checking version.
ng version
2.1 Install specific version of Angular CLI
// uninstall previous version of angular cli
npm uninstall -g @angular/cli
npm cache clean
// install a specific version of angular
npm i -g @angular/cli@8.3.29
https://git-scm.com/downloads
// Use without --global if setting these values on project by project basis
git config --global user.email
git config --global user.name
If a valid email and name is not displayed, set one up using:
git config --global user.email "email@example.com"
git config --global user.name"Your Name"
4. Verify Sass is installed
Verify by checking version.
npm sass -v
If not installed:
5. Create an Angular app
Change to directory where you would like to create the application.
ng new helloang
Routing: Yes
Choose Sass
6. Serve the application
cd helloang
ng serve --open