How to UnInstall Angular CLI

How to Uninstall / Update Angular CLI

To update or uninstall angular-cli to a new version, you must update both the global package and your project's local package.

Global package:

 npm uninstall -g @angular/cli  
 npm cache clean --force  
 npm install -g @angular/cli@latest  

Local project package:

 npm install --save-dev angular-cli@latest  
 npm install  
 ng update