Make sure that you always change your birthday, even if it’s a wrong one, to 13 years of age or older to be able to change it at a later date. How to change your age on Roblox account (PC desktop)?

Roblox user accounts are often the target of hack attempts. We show you how to change your Roblox password or reset it if you’ve lost access to your account.

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

Roblox removed the status feature some time ago and there is no dedicated option to set your online status as per your preference anymore. So, you can’t actually hide your online status on Roblox.