Help??? modthesims2.com?

ok i just read from some1s question and said something about burning it to the disc? well i mean downloading custom content i need help! ok how can i burn the disc and save it to the game?? ummmm im not sure if the game has internet thingy help plz!?! im not sure how to add the items i download i do NOT know how to put it on the game! im not sure if i have winzip or not i dont know how to work a computer when it comes to downloading custom items and downloading celebs! plz help thanks