Update Sonoma

MacOS updates and upgrade: System Settings ❯ General ❯ Software Update (on the right) Tip: before upgrading check Time Machine back up is done and check hard disk has enough storage space

Update App Store apps: Open App Store ❯ Updates then click ‘Update All’

Update apps installed on Mac: Use the Need To Know Apps area – Update and Troubleshoot apps for browsers and other app updates (including Microsoft 365)