Reply To: How do I log in? Home › Forums › Help and Support › How do I log in? › Reply To: How do I log in? August 18, 2016 at 4:24 pm #6599 TimtechKeymaster If you’re playing on a public server, you have to register on its website before you can log in. Then, you edit the file in the client folder called “boot” (“boot.cfg” if you’re showing file extensions) and change AUTHSERVERIP=0:localhost, to AUTHSERVERIP=0:IPAddressGoesHere,.