I alway forgot how to do this and have to scramble whenever my day job gives me a new PC. Like today. So I'm putting this here so everyone can see. This will only work for your user -- all other users will have the "normal"/annoying mapping

REGEDIT4

[HKEY_CURRENT_USER\Keyboard Layout]
"Scancode Map"=hex:00,00,00,00,00,00,00,00,02,00,00,00,1d,00,3a,00,00,00,00,00