If you downloaded the Windows 8 based Webcam Security Camera app from the Microsoft Store, then the program cannot be minimized. This is a limitation of all Windows Store apps: they are optimized for tablets, just like apps on iPads.
CameraFTP has a much more advanced program for all versions of Windows: Virtual Security System (VSS). VSS supports multiple Webcams and IP cameras. It is essentially a Network Video Recorder. To download the software, please click:
To find more info about VSS, please visit: