Microsoft didn't want you to use the Windows Store without signing in with a Microsoft Account. That no longer appears to be the case.

Below is a step-by-step guide on how to download and install the game on a computer. Go to the Roblox website and create an account. Log in to the account now. Choose any video game to play (map).

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.