Here is a link to the apple site which walks you through the process. First you need to pay $99:( Then you download the SDK (standard development kit). At that point you can develop apps, test them, and send them to apple for approval. Remember apple apps are developed using Objective-C. This is actually not that easy of a language for the average programmer to develop with so it may take some time. I have spoken with several advanced programmers who had many difficulties at first when developing with this code so be patient as there may be a steep learning curve.