: Version 3.0 layouts require conversion (from UTF-8 to UTF-16) to function correctly in the newer Version 4.0 environment. Licensing and Serial Numbers
: A real-time graphical interface that highlights keys in different colors to distinguish between down-strokes up-strokes Deep-Level Scan Codes : Unlike a text editor, it displays internal BIOS scan codes --- Serial Number Passmark Keyboard Test 3.0
: Tracks both "down" and "up" strokes to detect "chatter" or unresponsive keys. : Version 3