This setting exists only for backward compatibility and is not valid for this version of Windows. To configure the Program Compatibility Assistant use the ‘Turn off Program Compatibility Assistant’ setting under Computer Configuration -> Administrative Templates -> Windows Components -> Application Compatibility.
* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.