Allows or denies development of Windows Store applications and installing them directly from an IDE. If you enable this setting and enable the "Allow all trusted apps to install" Group Policy, you can develop Windows Store apps and install them directly from an IDE. If you disable or do not configure this setting, you cannot develop Windows Store apps or install them directly from an IDE. Counter Measure: Disable or do not configure this setting. Potential Impact: Users cannot develop Windows Store apps or install them directly from an IDE. Fix: (1) GPO: Computer Configuration\Administrative Templates\Windows Components\App Package Deployment\Allows development of Windows Store apps and installing them from an integrated development environment (IDE) (2) REG: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Appx!AllowDevelopmentWithoutDevLicense