install angular cli version

C++
npm install -g @angular/cli
ng new my-dream-app
cd my-dream-app
ng servenpm 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 servenpm install -g @angular/cli# Instalación de angular cli
npm install -g @angular/cli
# Instalación de la última versión
npm install -g @angular/[email protected]#Angular 2:the last RC version before switching to angular 4 as far as I can tell — based on this and the next version now depends on angular
npm install @angular/[email protected] 
ng new angular2app

#Angular 4: the last CLI version before angular 5
npm install @angular/[email protected] 
ng new angular4app

#Angular 5: the last CLI version before 6
npm install @angular/[email protected] 
ng new angular5app

#Angular 6: the last CLI version before 7
npm install @angular/[email protected] 
ng new angular6app 

# Angular 7: (the last CLI version before 8
npm install @angular/[email protected] 
ng new angular8app 

#Angular 8: the last CLI version before 9
npm install @angular/[email protected] 
ng new angular8app 

#Angular 9: not last CLI version 9 
npm install @angular/[email protected] 
ng new Angular9AppInstall Specific Version (Example: 6.1.1)
npm install -g @angular/[email protected]
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