@uliks
push Play button and choose
"Open with Java Web Start Launcher" from Drop Down Menue - Java starts and downloads the needed files, when done starts the client for playing
You need to set your Java Security Settings first in Java Control Panel
viewtopic.php?f=4&t=35081#p461879But you can also save the "autohaven.jnlp" to your Computer and launch that with Java Web Start Launcher - but it does the same as above ...
in sarah first link is a custom client you need to download and have it resident ... in Wizards Tower you find other custom clients too