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    Install Yarn 2


    This lesson goes over how to install yarn 2 through npm.

    To install yarn 2 globally, we use npm install -g yarn@berry.

    To install yarn 2 to a specific project, we use yarn policies set-version berry. This creates a .yarnrc file and a .yarn/ directory. .yarnrc that sets the path to our yarn instance in the created .yarn/ directory that holds our new yarn version.