No Gcd Wow 335 | Repack

If you download a random "No GCD 335 repack" from AC-Web, EmuCoach, or a Russian forum, how does it actually work under the hood?

A "No GCD" server removes that restriction. no gcd wow 335 repack

Once you download a repack (usually a .rar or .7z file): If you download a random "No GCD 335