The error you receive is due to an outdated version of MacOS. F-Secure SAFE supports version 10.14 (Mojave) or later.
To update your operating system to the latest version:
Allow your Mac to update itself to the latest MacOS version. Once completed, restart your Mac and proceed to install F-Secure SAFE.
- Click the Apple icon on the top-left corner of the screen
- Click About this Mac
- Select Software Update
Article no: 000013419