https://support.apple.com/en-gb/109033
Maintaining an up-to-date macOS version is crucial for security and functionality. Your system should run a version that's currently supported by Apple, with all available updates installed within 14 days of release. This practice is particularly important if your organisation holds Cyber Essentials certification, as timely patching is a key requirement for maintaining compliance and protecting against emerging security threats.
- In the top left corner of your screen, is the Apple logo - click this
- Select 'About this Mac'
- Your macOS version will then be displayed just here:
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