Click the lock icon, enter your password, and set the “Allow apps downloaded from” option to “Anywhere.” Or click the “Open Anyway” button to bypass Gatekeeper in Mac.Ĥ.Click the Apple icon at the top-left corner of your screen or click the System Preferences icon on your dock.Here we assure you that Nox for Mac is a safe software you could trust. 3. You may also see the below warning when you start Mac version the first time.