There are several ways of installing Yarn. npm install taco --save-dev === yarn add taco --dev; npm update --save === yarn upgrade Great call on upgrade vs update, since that is exactly what it is doing! yarn add redux. In general, you should use the version of Node.js labelled “LTS”. # npm. Yarn has a few differences from npm. Then, create an empty config file to let editors and other tooling know you are using Prettier: echo {}> .prettierrc.json Next, create a .prettierignore file to let the Prettier CLI and editors know which files to not format. yarn init; yarn install; yarn add; yarn add --dev; yarn remove yarn start; yarn test; yarn build; yarn publish [tag] yarn run