My 1993 civic's ignition coil just went out but I don't know how to replace it ca somebody help me

The link below should do the trick:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-46563-4.html#post265896

Skip the steps concerning the igniter, unless you want to replace it now. Because of the age of the car, I would recommend that you replace the distributor cap, rotor, igniter, and coil, while you have the distributor open.