Update

I am new to this page, I downloaded the expantion and opened the game all normal, then putted my acc and pw, all good, but then the game says that some patch is needed and I have to restart to download it, a few minutes later is says that it was not possible and tells me to try later or contact supportI have been trying to go on for around 3h without success

this generally happens when you login with email instead of account name. if you are using account name make sure you're realmlist is set to
set realmlist logon.warmane.com