If you have not installed any other apps recently, you may be required to enter your App Store password you chose when you created your account in order to install Yahoo Messenger for iPhone. Enter your password and hit "OK" to proceed with your installation.
How to Download the Yahoo Messenger for iPhone App
By Brandon De Hoyos, About.com Guide
Install Yahoo Messenger for iPhone
Reproduced with permission of Yahoo! Inc. ©2011 Yahoo! Inc.
Next, click the green "Install" button to install a copy of the Yahoo Messenger for iPhone app to your iPhone or iPod. This process may take up to a minute or two, depending on your Internet connection source and speed.
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- Locate Yahoo Messenger for iPhone in the App Store
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- Welcome to Yahoo Messenger for iPhone
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