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OS X or Windows Node installers. If you're using OS X or Windows, use one of the installers from the Node.js download page. Be sure to install the version labeled LTS. Other versions have not yet been tested with npm. Linux or other operating systems Node installers.
Downloading and installing Node.js and npm. To publish and install packages to and from the public npm registry or a private npm registry, you must install Node.js and the npm command line interface using either a Node version manager or a Node installer.
npm install (in a package directory, no arguments): Install the dependencies to the local node_modules folder. In global mode (ie, with -g or --global appended to the command), it installs the current package context (ie, the current working directory) as a global package.
Downloading and installing packages locally. You can install a package locally if you want to depend on the package from your own module, using something like Node.js require. This is npm install 's default behavior.
You can upgrade to the latest version of npm using: npm install -g npm@latest Upgrading on Windows. By default, npm is installed alongside node in. C:\Program Files (x86)\nodejs. npm's globally installed packages (including, potentially, npm itself) are stored separately in a user-specific directory (which is currently
When you install Node.js, npm is automatically installed. However, npm is released more frequently than Node.js, so to install the latest stable version of npm, on the command line, run: npm install npm@latest -g
Broken npm installation. If your npm is broken: On Mac or Linux, reinstall npm. Windows: If you're on Windows and you have a broken installation, the easiest thing to do is to reinstall node from the official installer (see this note about installing the latest stable version).
Workspaces is a generic term that refers to the set of features in the npm cli that provides support to managing multiple packages from your local files system from within a singular top-level, root package.
This command is similar to npm install, except it's meant to be used in automated environments such as test platforms, continuous integration, and deployment -- or any situation where you want to make sure you're doing a clean install of your dependencies.
A lot of packages have one or more executable files that they'd like to install into the PATH. npm makes this pretty easy (in fact, it uses this feature to install the "npm" executable.) To use this, supply a bin field in your package.json which is a map of command name to local file name.