From http://wiki.answers.com/Q/How_do_you_change_spark_plugs_in_a_22_liter_1990_honda_accord
"Use a 5/8 or 13/16 SPARKPLUG SOCKET witchever one fits. Make sure the socket has the rubber o-ring inside so that you don't have to filch it out. "
Get a spark plug socket and unscrew the spark plug and replace with a new one.
NGK Iridium spark plugs are fine for your 1996 Honda Accord.
where are the plugs located
Four
I just tighten them with a regular spark plug socket rachet. You should be able to feel when to stop tightening.
i change the spark plugs on my car but they keep popping out
Screwed into the head.
It has 6 spark plugs. One for each cylinder.
remove the spark plug wires one at a time and unscrew the plugs
As for NGK or Denso OEM spark plugs.
Screwed into the head or heads on a V6.
They are right there on the top of the engine.