Perhaps the most exciting and compelling thing about iOS devices — the iPhone, iPod touch, and iPad — is the ability to run the huge variety of apps available in the App Store, particularly photography apps. There are free music, games, social networking, and cooking apps in the App Store.

Using the App Store in iTunes is similar to using the iTunes Store. Like iTunes, you can also download apps on iOS devices using the App Store app, but there are a few key differences.

To use the App Store with iTunes, you'll need:

If you meet these requirements, launch the iTunes program on your desktop or laptop. Click the button labeled iTunes Store in the upper right corner to go to the iTunes Store, of which the App Store is a part.