How to Install USB Hardware Keylogger

http://www.keydemon.com/usb_keylogger/
The world's smallest and smartest USB hardware keylogger. This keystroke recorder has up to 2 Gigabytes memory capacity, organized into an advanced flash FAT file system. Super fast data retrieve is achieved by switching into Flash Drive mode for download. Completely transparent for computer operation, no software or drivers required. Supports national keyboard layouts.