KISS: Keep It Simple, Sweetheart. KISSKey is based on the KISS principle, and it makes keylogging a snap. One interface, simple configuration, easy choices, and all the core keylogging functions you want. Secretly log the keystrokes of all PC users and e-mail the logs anywhere. It's just that easy. KISSKey is compatible with Windows 8.1, Windows 8, Windows 7, Windows Vista, and Windows XP, all on both 32- or 64-bit systems. Why complicate life?