brew install node. New to node or npm?brew install --HEAD 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.
If you run into any issues getting started, see the troubleshooting page.