Purchasing iPhone apps from the App Store, which is part of the iTunes program, requires you to have an iTunes account with enough funds to purchase the selected app.
Instructions
Step 1
Click the App Store icon on the home page of your iPhone to browse and select the required applications. Use the Featured button on the bottom toolbar to view new applications, or click the Categories button to search by topic. Evaluate the most popular apps, both in the paid and free sections, by clicking the Top 25 button or use the search option by name.
Step 2
Select the desired application and click on its icon for more detailed information.
Step 3
Click the button indicating the price in the upper right corner of the window of the selected application and confirm your choice by clicking the Buy button.
Step 4
Enter the password value to confirm the purchase of the selected application in the system request window that opens and click OK.
Step 5
Wait for the download to complete, or launch iTunes on your computer for an alternate method of purchasing the required app.
Step 6
Select the iTunes Store item in the left toolbar of the application window and go to the App Store in the right side of the main window that opens.
Step 7
Select the desired application and click on its icon for more information.
Step 8
Click the price button at the top left of the window and confirm your purchase by clicking the Download button.
Step 9
Enter the password value to confirm the purchase of the selected application in the system request window that opens and click OK.
Step 10
Wait for the download process to complete and connect your mobile device to your computer using a connecting cable.
Step 11
Wait for the automatic detection of devices by iTunes and select your iPhone in the list of the left toolbar of the program window.
Step 12
Go to the Applications tab of the mobile device window and apply the checkbox to the field of the downloaded application.
Step 13
Click the Sync button in the lower right corner of the iTunes window and wait for the process to complete.
