use vue cli without npm code example
Example 1: install vue cli
npm install -g @vue/cli
//to see the version installed
vue --version
Example 2: install vue-cli
npm install -g vue-cli //make sure you have node and npm installed
vue init webpack <appname> // eg: vue init webpack myapp
cd <appname> // cd myapp
npm install
npm run dev //server will start in port 8080