ubuntu 20.04 how to install npm

  1. Open a terminal window.

  2. Update the package list by running the following command: sudo apt update

  3. Install Node.js using the following command: sudo apt install nodejs

  4. Install npm (Node.js package manager) with the following command: sudo apt install npm

  5. Verify the installation of Node.js and npm by checking their versions: node -v npm -v