Roblox Client will install on 10.7 (Lion) and higher - and Intel only Macs whereas the Roblox Studio will install on Mac OS 10.10 (Yosemite) and above. Currently only the Intel chipset is supported.
Full Answer
I personally have a Mac, I use ROBLOX on it and the only problems it has is the fact that your game may crash. Just like on any laptop or computer, go to ROBLOX, download the program, and begin to play!
So, to answer your question, Roblox can potentially harm your Macbook Air since Macbook Airs were not really designed for resource-intensive tasks. You may be wondering if Roblox will run on Macbook Air.
The Roblox Client requires Mac OS 10.7 (Lion) or above – and Intel-only Macs – to install, but the Roblox Studio requires Mac OS 10.10 (Yosemite) or higher to install. Only the Intel chipset is currently supported. It is not possible to use the Motorola Power PC.
However other factors include such as your specs on you computer, and your computer's ability to perform. Luckily roblox does not need a lot of resources to run. Also if you use roblox on a computer you can use Roblox Studio to create games of your own.
Roblox can be installed on many platforms and as mentioned by Roblox "You can access Roblox on any device - PC, Mac, iOS, Android, Amazon Devices, Xbox One, Oculus Rift, and HTC Vive.".
Check to make sure that the Roblox icon is currently on your Dock and the Roblox Application is showing in your Applications folder. Try launching the program from the Dock if you're having a problem playing an experience from the website. Try fully resetting your Roblox settings by deleting the settings files.
Can Roblox give you viruses? While you're playing Roblox, it can't give you viruses. It's not possible to share files across the game, and it's against Roblox Terms & Services to try.
Solution 1: Disable Your Antivirus Sometimes the Roblox installer has problems gaining enough permission on your computer to access certain files needed for the installation to go through. This often means that your antivirus program is blocking the tool!