It's very easy! You can do it in two ways.
1) Use iTunes on your computer to download apps and sync them to your iPhone. Once in iTunes hit "iTunes Store", then "App Store" on the top bar. Download the App you want and sync to your iPhone.
2) On your iPhone, click "App Store" on the springboard first page. Browse to the App you want and hit "Install".
It's EASY!
For more advice, head to:
http://www.appsnake.com
i download them directly to my iphone via the iappworld.net free iphone app available on the appstore ...
Although iPads can download apps made only for iPhone/iPod Touch, the iPhone can only download iPhone or iPhone/iPad apps. Apps made only for the iPad do not appear on the App Store. Luckily most of these apps have an iPhone counterpart such as Angry Birds (iPhone) and Angry Birds HD (iPad only).
download them from the apps store
The App store :)
Download installous on iPhone (In the IPhone Store)
There is an App Store on every iPhone. You download them from there (:
easy ''If you download it its no charge''
YES!
You can go to apple.com and download iTunes
Yes you can as long as your iphone is connected to the same itunes account you bought the apps on.
definitely NO, and if you want a lot of cool free iphone apps, use iAppWorld.net
using the iappworld.net iphone application available on the appstore for free
On your iphone go to the home page and click on the app store here your will find hundreds of thousands of apps just click on the one you want and click the download button.