• Free upgrade
• Smoother performance on existing hardware
• Improved Spotlight search tool
• New Split View mode
• Major update to Notes app

• Siri is still not available on Macs
• Metal API requires third-party app updates

Adopting the latest update to Apple's OS X operating system for the Mac is generally a fairly straightforward matter for business users. Unlike Microsoft's 'big bang' approach, which sees the company launching an entirely new version of Windows every three years or so, Apple's annual updates tend to take a more increment ...

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