You may need to uninstall an application as part of the existing deployment. In this chapter, you will delve a little deeper and learn how to remove an existing application before deploying a new one.
If you recall, in Chapter 2 you learned where in the registry you can find the uninstall GUIDS or commands. It can be cumbersome to find the information by manually browsing the registry, and PowerShell can help make this task a little easier.