Gamertag, username, display name; a Roblox player has multiple names, each having a purpose. Thankfully, usernames and display names chosen years ago can be changed.

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.

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.