1npm install -g @angular/cli
2ng new my-dream-app
3cd my-dream-app
4ng serve

1/*
2Setting up new angular project and run on browser
3*/
4npm install -g @angular/cli
5ng new project-name
6cd project-name
7ng serve
8
9/*
10I hope it will help you.
11Namaste
12*/

1/* @latest is optional  */ 
2npm install -g @angular/cli@latest

1      
2        content_copy
3      
4      npm install -g @angular/cli
5    

1npm install -g @angular/cli    //make sure you have node/npm installed 
2ng new <appname>        //  eg:  ng new my-app
3cd <appname>       // cd my-app
4ng serve

1ng new my-first-project
2ng serve