When you are dealing with hardware you have to be just as careful as when you are dealing software. Hardware being installed on your system can hide many surprises. So just make sure that you are careful.
These are two requests that you are going to have to use when you are talking about making applications that work over the web. It is in your best interest to get used to them very soon.
It provides a management system for keeping all your files and folders synched between a number of static and mobile devices, ensuring an up to date copy is always available from the cloud. The iCloud setup application will help you manage your iCloud settings.
If you are experiencing iCloud problems that you cannot solve on your own then there are many places you can turn to for help. You can search for online forums and blog posts but, perhaps, the best option would be to check out the Apple iCloud community first.