I cannot make an appointment at my local apple store how do I do that?

Please make an appointment at the Apple Retail Store - Genius Bar and take it in for service. If you are not in the USA or cannot set up an appointment this way, then contact your local Apple Store directly.

They say that downloading the App is fast & easy > https://itunes.apple.com/us/app/apple-store/id375380948?mt=8