How can I install server edition?

I don’t have enough knowledge about Sever. So give me a tutorial of how to use server edition.

There are some simple tutorials how to install at Guides | Manager

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There are instructions accessible from the same place you download Server Edition. It’s under “Installation” in the menu.

Here’s the new link: Installation | Manager

If you’re having issues with Server Edition, you can use Cloud Edition instead. In that version, everything is set up for you automatically so you don’t need to worry about the technical side of things.