1.First go to this website: MaNGOSx 1.5 - MacUpdate
2.click download now.
3.once it downloads drag the MaNGOSx application to your desktop
4.go to: MAMP 1.7.1 - MacUpdate and download MAMP
5.once it downloads drag the MAMP apllication to your desktop
3. Open MAMP go to options and set the Standard ports for MySQL: 3306. QUIT MAMP
4. Start MaNGOSx then select Setup from the toolbar
5. Click on the download Button to download "MaNGOS Server rev
6. If MaNGOS Server is installed, you can download DBC files, Map and Databse
7.select Options from the toolbar and set the Realmlist to "127.0.0.1".
8. click Start Server from the toolbar. MaNGOS should open in the Terminal.
9.click Options and Run WoW
there you go! ur probly 1 of 100 people that has a private server on their Mac
P.S. make sure that MAMP is in your Applications Folder, if not just drag it there