Before you start using Yarn, you'll first need to install it on your system. There are many different ways to install Yarn, but a single one is recommended and cross-platform.
It is recommended to install Yarn on your system through the npm package manager, which comes bundled with Node.js when you install it on your system.
Once you have npm installed you can run the following both to install and upgrade Yarn.
npm install --global yarn
Yarn install via Homebrew
You can install Yarn through the Homebrew package manager. This will also install Node.js if it is not already installed.
brew install yarn
Yarn will warn you if a new version is available. To upgrade Yarn, you can do so with Homebrew.
brew upgrade yarn
Yarn install via installer.
This will give you a .msi file that when run will walk you through installing Yarn on Windows.
If you use the installer you will first need to install Node.js.
Please whitelist your project folder and the Yarn cache directory (%LocalAppData%\Yarn) in your antivirus software, otherwise installing packages will be significantly slower as every single file will be scanned as it’s written to disk.
Check that Yarn is installed by running the following command