How to Install iOS 9.0.1
If you're new to iOS, you might want to take a look at out iOS 9.0.1 installation guide because it will take you through the ins and outs of the iOS 9.0.1 download process. You have several options at your disposal right now.
Once you get familiar with the intallation process, you should be able to handle any iOS update that Apple throws at you. Be it a small update like iOS 9.0.1 or a much larger update like the upcoming iOS 9.1 update release.