The refog keylogger is a keylogger that runs on Windows and MAC computers. You need physical access to the machines to install this app. Once on their computer it will log all their keystrokes. Then you can view them from a remote location if you want.
Installing the refog keylogger is easy. It installs just like any other app you would put on the computer. There are no special skills needed. The Refog keylogger will log all their keystrokes and do a bit more.