Software Into a BlackBerry

1.
Turn on your computer and start BlackBerry Desktop Manager. This program comes with each device, and can also be downloaded from the BlackBerry website.

2

Connect your BlackBerry device to your computer using a USB cable.

3

Click "Application Loader" on the main menu of Desktop Manager. Click "Start" under Add/Remove Applications.

4

Click "Browse" and locate the application software that you want to load onto your BlackBerry phone. Put a check mark next to the entry for the application software, which should now appear in your list of available applications. Click "Next."

5

Reboot your BlackBerry device when you see a confirmation message that the process is complete on the BlackBerry Desktop Manager screen. The application software is now installed on your device.

Source: http://www.ehow.com/how_5902807_install-application-software-blackberry.html