Can't install angular-cli on Mac

Question

This is probably very trivial, but I am hitting my head against the wall while I am trying to (unsuccessfully) install angular-cli.

I am following the official angul

Answer 1

Steps to install angular cli.

1. Download Nodejs and Install it. https://nodejs.org/en/
2. Open terminal and type: sudo npm install -g @angular/cli

Just remember that -g represents global scope hence package is installing in root level folders. Hence the command should start with "sudo"