On a chromium-based browser, use this extension to join any private server link on Roblox UWP, even if you also have Roblox Web installed.

Join private server links on Roblox UWP (from Microsoft Store). - Releases · glitchy-richard/roblox-private-link-uwp ...

Roblox is the most popular game for children under 13 right now. But some charities and safety experts say that more children are finding upsetting and abusive content on the site. Newsround's ...