Roblox does not have a self-service account deletion button in the settings
Contact Roblox Support at https://www.roblox.com/support
Select the appropriate help category for account deletion or privacy request
Provide your Roblox username and the email linked to the account
Clearly request permanent account deletion
Follow any verification steps Roblox Support asks for
If you want, you can also delete saved payment methods and cancel subscriptions before submitting the request
Log out of all devices after submitting the request
Wait for Roblox Support to confirm the deletion request has been processed