attention ppl with the sim2 PC game

hei i'm having alot of trouble download the inteenimater i've downloaded it numerous times but could some one tell me how do i get it on to the sim2 game i've tried looking every where but i don't know how it tells me to extract files a-f then inteenimater g whats G? some plzz tell me how to get it on the sims2
thankyou