PHP Installation on Apache

Ok, I am having some difficulty that I have had for quite some time that I have decided to finally tackle. I am using Apache 1.3.28 to host my website I have tested PHP on it and it does not seem to work.

Does anybody know a very simple way to install PHP, all the tutorials I have been to seem complicated, I just want a step by step, what to do.

Oh, and by the way, I am running Windows XP. I think that my be helpful.:jail: :puzzled:

Thanks, Jeff