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how to update node.js 6.x to 8.x in windows operating sysytem using CLI

i am unable to run angular 6 CLI on node.js 6.x its showing error that upgrade minimum node.js 8.xx to use angular CLI.

i tried with this code :

npm install -g npm-windows-upgrade npm-windows-upgrade

Solution

  • First, ensure that you can execute scripts on your system by running the following command from an elevated PowerShell. To run PowerShell as Administrator, click Start, search for PowerShell, right-click PowerShell and select Run as Administrator.

    Set-ExecutionPolicy Unrestricted -Scope CurrentUser -Force

npm install --global --production npm-windows-upgrade
npm-windows-upgrade

    Want to just install the latest version? Sure:

    npm-windows-upgrade --npm-version latest