The join page is the procedure. This thread is the same questions, asked the way people actually ask them.
KnoxTab
Collecting these so they stop arriving as separate one-line panics. No, you do not open a port on your router. That setting is for people hosting. You are joining. Project Zomboid is Direct Connect, hostname pz.cummytummy.com, port blank or 16261. It will not appear in the public server list. Stop refreshing that list. Minecraft is mc.cummytummy.com, port 25565, Tekxit 4 official 16.8.4, paid account, Technic launcher.
The password is the one you were given by a person. It is not on this website, and posting “is it still the old one” with a guess is how the password stops being the old one. Ask the person who invited you.
SheetGhost
First person: O toggles it, Shift+O swaps modes, Delete is Viewpoint’s menu, Tab is Knox. If the camera is wrong and the inventory is the vanilla list, you are not “in hard mode.” The loader did not finish. Windows people rerun the script on the join page. Everyone else follows the ZombieBuddy wiki page, then holds Left Shift on startup and clicks Allow on the jars, including KnoxInventoryJava.jar. Then quit and start once more. Then join. The order is dull and it works.
VersionMismatch means wait. The server is matching Steam, build 42.21 when it has caught up. Do not pin an older beta and then describe the server as down.
RiftLantern
Tekxit side of the pile: if the launcher offers a version newer than 16.8.4, you are looking at the pack’s public life, not at our server. Match 16.8.4. Give it at least 5 GB. Spawn is not a base. Claims are Open Parties and Claims, not a cupboard. Meteors are real. Do not carry a dimensional door. The wiki pages are shorter than the hour you will lose learning those from a crater.
ColdBoot
If your question is not in the join page, the rules, or this thread, ask it in game and I will add the answer here when it is a real answer. “Anyone on?” is not a thread. The join page already shows whether the server reported players. Look there.