angular cli

npm install -g @angular/cli
ng new my-dream-app
cd my-dream-app
ng serve

npm install -g @angular/cli    //make sure you have node/npm installed 
ng new <appname>        //  eg:  ng new my-app
cd <appname>       // cd my-app
ng serve

/*
Setting up new angular project and run on browser
*/
npm install -g @angular/cli
ng new project-name
cd project-name
ng serve

/*
I hope it will help you.
Namaste
*/

npm install -g @angular/cli

/* @latest is optional  */ 
npm install -g @angular/cli@latest

ng new project_name