install manually npm package code example

Example 1: how to install latest version of npm package

//For global packages 
npm i -g @latest
npm i -g express@latest

//For loacal packages
npm outdated
npm update

//Manually updating local packages
npm i @latest
npm update "react" "react-dom"

Example 2: install an npm package

npm install package-name

To save as a dependency:
npm install package-name --save