Open Roblox and sign in
Go to the game you want a private server for
Check whether the game supports private servers
Click the Private Servers or Servers tab
Click Create Private Server
Choose a name for the server
Set the server price if required
Confirm the purchase or creation
Go to your private server settings
Add friends or specific players if allowed
Share the private server link with invited players
Join the private server from the game page or your servers list