Hey Ryonex.. i saw the title of your topic and thought that you type a guide here.
It is "How to make a ep 5 private server" but you are searching for how to do it so please type a [HELP] or [Request] infront of your topic.
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here are guides for making an ep4 server but also guides to update to an ep5 server, you can try to use the search function and you should find something