That is explained in the playguide here:
http://www.eqemulator.org/wiki/wikka...akka=PlayGuide
The RoF client you have is not compatible if you played Live since Jan 16th. You will need to download the Steam version which is a different client. Also, RoF is still very new, so not all server support it yet. Storm Haven does already, and EZ has updated recently but currently has RoF disabled for now (though Hunter will probably enable it before too long). There are more and more servers updating to allow RoF now as well.
Keep in mind that there are still a few issues with the RoF client, but overall it is still very playable. The remaining few issues are things that require a fair amount of work so it may still be a while before it is fully compatible, but we are working on it regularly. The main remaining issues are that you cannot add or remove augments (though existing ones in items still work fine), bazaar traders don't work, and the cursor buffer doesn't work, so if you get multiple items returned to you from a quest, you have to zone or relog multiple times to get all of the items off of your cursor. Other than that, everything else works really well so far.
Threaded Mode
