download and install react native

npm install -g react-native-cli

//cd to the file where your react native projects will be 
react-native init albums

// Run instructions for  IOS/Android
cd projects/albums 

npx react-native run-ios
npx react-native run-android

npm install -g react-native-cli

down node js 
then npm i neact-native

react-native start

react-native init AwesomeProject