The client is pre-patched and doesn't require any patch downloads. The only thing you need to do is download the client. If your having trouble with installation, please contact a PM for more information.
The client has built in autopatching so you don't ever need to download patches. There's 2 versions of the client. One is with a simple faster installer and other is a rar file which you manually extract. We recommend the simple installer since it's better, faster, and a quicker download. Below are the links to various mirrors where you can download the client.