If Roblox is not working on Windows 7, run the game using an Android emulator, or update to a version of Windows that is supported.

If Roblox is not downloading or installing on your Windows 11/10 PC, restart your PC and if that doesn't help, use the fixes discussed here.

To download Roblox on a PC, you need to be running Windows 7 or newer. The gaming platform is also available on Mac, iOS, Android, and Xbox One.

If you want to block the Roblox website or app, or prevent Roblox from being downloaded on your Windows 11/10 computer, see this post.