How to install an application for my blacberry cellphone

Hi,
If you would liketoinstall application using the application loader tool in the Blackberry Desktop Manager.
You should verify that the application to be installed on the BlackBerry smartphone is saved to the computer before completing the following steps.
If you are using BlackBerry Desktop Manager version 4.5 to 5.0 then you need to follow this steps:

1. Connect the BlackBerry smartphone to the computer.
2. In BlackBerry Desktop Manager, click Application Loader.
3. Click Start where it says Add / Remove Applications.
4. Type your password, if prompted, and click OK.
5. In the Device Application Selection screen, click Browse. Go to the directory of the application you want to add, select the <application>.alx file, and click Open.
6. Once the application is in the Device Application Selection list, verify it is selected, and click Next.
7. On the Completing the Application Loader screen, verify the software to install is listed under Applications to be Installed or Updated, and click Finish.

1. Connect the BlackBerry smartphone to the computer.
2. In BlackBerry Desktop Manager, open the application loader tool.
3. In the Application Loader Wizard, click Next.
4. Type your password, if prompted, and click Next.
5. In the Handheld Application Selection screen, click Add. Go to the directory of the application you want to add, select the <application>.alx file, and click Open.
6. Once the application is in the Handheld Application Selection list, verify it is selected, and click Next.
7. On the Completing the Application Loader screen, verify the software to install is listed under Applications to be Installed or Updated, and click Finish.
8. Once the application is installed on the BlackBerry smartphone, click Close in the Application Loader Wizard.