1. Open Xcode from your Application Folder
2. Open "Application Loader" in Xcode by clicking Xcode> Open Developer Tool> Application Loader
4. Click on the button "Deliver Your App"
5. Select "Choose" to upload the build (.ipa file) you would like to upload
6. Click "send" to submit your build to Apple. This will then send the .ipa file to iTunes Connect.
7. Once complete you will see a 'Thank You' message.