You can delete a Roblox account by simply emailing the company, but there are a few other ways to do it.

How to delete a Roblox account permanently? There is no option for a player to simply deactivate or delete his or her Roblox account under game settings, just like other social media accounts or ...

I also don’t allow them to watch videos of people playing Roblox.” Other parents are sharing warnings and urging people to delete the platform and not allow their children to use it.