How to replace spark plugs on2004 Amanti Kia?

I have a 2004 Amanti,Kia that I would like to replace the spark plugs. Is their any step by step process to do this. Is there any website, that would give me detailed information on how to do this? Outside of purchasing the spark plugs are there any gaskets that would need to be replaced etc.?How to replace spark plugs on2004 Amanti Kia?If you plan on DIY pick up a haynes repair manual and it will help you in all aspects of the tune up and any other things you would like to tackle in the future. It should take you a couple of hrs so take your time .