91, 92, 93, but it's impossible for me to register a DOWN even.
Windows 10 traps the key when it goes down, waiting for another keypress so it can do its thing, so QB64 only responds to the key UP event on my machine.
There's no such thing as a down and hold event. :P
None of the commands work at all for me with _KEYDOWN:
_LIMIT 60 ' so your PC fan won't explode with an endless loop