brew install node. New to node or npm?brew install watchman. We recommend installing watchman, otherwise you might hit a node file watching bug.brew install flow. If you want to use flow.npm install -g react-native-clireact-native init AwesomeProjectIn the newly created folder AwesomeProject/
AwesomeProject.xcodeproj and hit run in Xcodeindex.ios.js in your text editor of choice and edit some linesCongratulations! You've just successfully run and modified your first React Native app.