Which Wrath of the Lich King do I need to download for Lordaeron?

Hi all I used to play a couple years back in Lordaeron and now that they have launched the server again I'd like to know if I have to download the Wrath of The Lich King ( old) of Wrath of The Lich King to play in Lordaeron.

Thanks!

Both work!

The old client is with the original textures while the unmarked one has WoD character models. If you decide to go with the WoD models, keep in mind that some hairstyles don't work, so if you can't create your character, try to use a different one.

Also keep in mind that client with WoD textures can get errors and crash.

All right thank you!