If you’ve tried to download the assessment on your Mac, and you’ve received this warning, don’t panic. There’s nothing to worry about. This is due to an update to the new Mac operating system (OS).
There are two separate approaches you can take to solve the issue:
If that doesn't work:
2. Go to System preferences. Click Security & Privacy, and then General. You should see an option to open your app from here.
If none of these work, please let us know via the support form here.