Make sure that you are logged in with an appropriate account (for example, an administrator account) to install Roblox.Make sure you have the latest version of Mac OS X installed.Make sure your Mac meets the minimum requirements for running Roblox.Image Credit: Roblox Corporation Steps to install Roblox on Mac In some cases, users observed that the initial download gets completed, but problems start to occur after that. Two primary reasons behind download failure are poor network connectivity and reliability issues. Many bugs of different kinds can cause this problem, even if you are downloading the game from the official website. Since it is not available on Mac’s official App Store, users have to deal with the issue of Roblox won’t install on Mac. Most users find it challenging to download the legitimate version of Roblox.
Disable the VPN and Firewall Protection.Ways to Fix Roblox Installation Issue on Mac.