how to install latest versions of npm ^ code example

Example 1: update npm

npm install -g npm@latest 
// for global install

Example 2: how to install latest version of npm package

//For global packages 
npm i -g <package name>@latest
npm i -g express@latest

//For loacal packages
npm outdated
npm update

//Manually updating local packages
npm i <package name>@latest
npm update "react" "react-dom"