Just click play and it will generate a server.
Chat with our AI personalities
Roblox will do it, you can't chose it.
You can make an account on a test server what you need to do is make an account on normal roblox then sign-in using your normal account
You either create a roblox server yourself, or you gain the trust of the owner of another server and ask him if you can be Admin.
Probably no, and a private server would be bull**** because it would be point less...
Go to a different server!