Steps for altering your avatar’s appearance in every Roblox experience, from adding and removing items to changing your skin ...

First, open a web browser, go to the Roblox website, and sign into your account. Next, click on the gear-shaped icon from the top-right corner of the screen and then choose the Settings option.

If you want to play alone or without being disturbed by other players, here's how to appear offline in Roblox.