how to update node js version

//First, clear the npm cache:
	npm cache clean -f

//Install n, Node’s version manager:
	npm install -g n
    
//With the n module installed, you can use it to:
	Install the latest stable version: n stable
	Install the latest release: n latest//check node version
>node -v
// let's install a program called n that will let us easily switch 
//between Node versions.
>npm install -g n
//Upgrading to the latest stable version
>n stable 
//Changing to a specific version
>n 10.16.0
In cmd,
  
where node
 
$ cd "C:\Program Files\nodejs\node_modules\npm"

$ npm install -g node-gyp@latestnpm install -g node@<version>#linux
sudo npm install n -g
sudo n stable
#windows
#install the .msi from https://nodejs.org/en/download/curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.32.1/install.sh | bash

update node