This thread contains WoW, The expansion(TBC), every guide you can think of(Paid for guides like - Joana's 1-70 Horde, Brian's 1-70 Alliance, Derek's Gold Guide, and many more pay-for guides all for free!) Also a guide on connecting to a WoW private server to play WoW for free!
Here is what the installers look like: World of Warcraft
Full US WoW Installer:
