Keymagic Old Version -
Archived on OldVersion.com or Internet Archive (search "KeyMagic 1.15"). Checksum the EXE – many "old version" downloads from 2012 are infected with keyloggers now.
Old versions only passed ASCII scancodes. Try remapping Key A → Key Ä (German umlaut)? It would either crash or send nothing. Modern tools like PowerToys handle this perfectly. keymagic old version
Zero. It hooked into the keyboard input stack at a low level. On a Pentium 4 machine, you wouldn't notice it existed. Archived on OldVersion