Unable to connect please help!

Hey i just downloaded Wow but when i try to log in it says Unable to Connect !

I have downloaded the game from pirate bay this link https://pirateproxy.bet/torrent/6687...W_Wotlk_3.3.5a

Please any help ? i dont want to download another torrent since my internet is slow af.

Thanks !!!

and i have correct realmist wrote in realmlist folder.