Key Spy Pro is an advanced PC keylogger application. It is a very simple program that is downloaded and then installed onto your PC. After installation the program is hidden to other users of the PC. You view results by email or hidden hot keys that you specify.Key Spy Pro is used by a wide variety of PC users. Key Spy Pro is perfect for monitoring spouses suspected of cheating and employees suspected of using their work PC for non-work purposes. Key Spy Pro is also ideal for monitoring children.