Where can i find the latest patch hack for world of warcraft for private servers?

I am new to world of warcraft and please no answers saying just pay for it because i simply cannot afford it. I haven’t played online yet or connected to the Blizzard server yet. I have the original WoW and i just want to know where to download the most recent patch hack, not so i can do cool things, just so i am up to date so i can connect to a free server. Thanks.