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Windows Server 2008 R2 includes many roles and features to provide a wide range of network services. However, you will often have to install programs. Some of these programs such as SQL Server or Exchange come from Microsoft, while many others do not. Therefore, you will need to know how to install and uninstall these applications.

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If you need to install a program in Windows such as an antivirus software package, Microsoft Exchange, Microsoft SQL Server, or any other program that does not come with Windows Server, you usually insert the disk, usually a CD or DVD, into the drive and the installation program will automatically start. With other programs, you may need to run a command, download and install using your browser, or double-click on an executable file with an.exe or msi extension.
Most Windows programs allow you to uninstall a program from your computer if you no longer use it or if you want to free up space on your hard disk. For Windows Server 2008, you can use Programs and Features to uninstall programs or to change a program’s configuration by adding or removing certain options. Before Windows Server 2008, you would use Add/Remove Programs from the Control Panel.

UNINSTALL OR CHANGE A PROGRAM
To uninstall a program or change a program in Windows Server 2008 R2, perform the following:
1. Open the Control Panel.
2. If you are in Category View, click Programs and click Programs and Features. If you
are in Icon view, double-click Programs and Features.
3. Select a program, and then click Uninstall. See Figure 2-19.

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Figure 2-19  Programs and Features

If the program you want to uninstall isn’t listed, it might not have been written for Windows. You should check the documentation for the software.
Some programs include the option to repair the program in addition to uninstalling it, but
many simply offer the option to uninstall. To change the program, click Change or Repair.
If you are prompted for an administrator password or confirmation, type the password or
provide confirmation.