Install Node.js and npm on WSL2

1. Install cURL

sudo apt-get install curl

2. Install nvm

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash

restart the WSL.

3. Verify installation

command -v nvm

It should return nvm.

4. Install Node.js

nvm install --lts # Latest stable LTS release (recommended)
nvm install node # Current release

5. Verify installation

node --version # node.js
npm --version # npm