How to buy 1,000 Robux to change your username on Roblox Robux are the in-game currency of Roblox, and they may be used to buy in-game improvements and avatar accessories.

(Image credit: Roblox Corporation) To get or change a Roblox Display Name, you should first log in to your Account Info page under Settings, then select the edit button next to the Display Name ...

To change your Roblox username login to your account and go to the settings section. In a browser this is represented by the gear icon in the upper-right corner.