First of all you need 2 accounts. - Start a first window of lineage, and press "agree" (then DON'T press "ok") - Start a second window of lineage with the second account, and press "agree" (then DON'T press "ok") - On the first window, click "ok" to join the server. It will opens the error message : "the client will close, continues ?", press "ok again". The client will close. - and quickly press "ok" on the second window, and you will access to the character page ! Enjoy.