Check your current Node.js version with `node -v`
Check your package manager version if needed
Use a version manager like `nvm`, `n`, or `fnm`
Install the latest Node.js version with your version manager
Switch to the new version
Verify the upgrade with `node -v`
Update npm if needed with `npm install -g npm@latest`
Reinstall global packages if they are tied to the old Node version
Restart your terminal or shell session
Update your project dependencies if required
Run your tests to confirm everything works