Check if a Registry Key Exists

This action checks whether a registry key exists in the Windows Registry. You can use it to check whether an application is installed, for example.

Property Name	Data Type	Description
Key	String	The key name in the registry to be checked. For example: SOFTWARE\My App
ReturnVariable	VarName	The name of the variable whose value will be set to the result. If the registry key exists, it is set to 1. Otherwise it is set to 0 (Boolean type).
RootKey	hkKeys	The base key of your registration key. There is a defined set of Base Keys from which you can choose in the list box.