What kinda Accord you got, EX,LX DX?????? do you have power locks and power windows if so most probably it did came with it but not sure about it look for a control unit(Black box) under the steering wheel. Think it costs about 150-200 bones

Installation is usualy easy here some instructions,
http://handaaccessories.com/accord/accordkeyless.pdf
http://handaaccessories.com/accelect01.html
For the programing of the remote, just look up the FAQ section. hope this helps.

For the title, people will see it no matter what you put and will help as well if they can so next time just put whatever the problem is.