How to install the MacOS 27 public beta on your Mac today - it's live now
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ZDNET's key takeaways
- The MacOS 27 public beta is available to download now.
- Only compatible Apple Silicon Macs support the update.
- Back up your Mac before installing the beta software.
At WWDC 2026, Apple announced MacOS 27 "Golden Gate," the latest operating system for MacBooks, set to launch this fall. It's mostly centered on performance improvements and visual design optimizations, but the main draw is a redesigned, more powerful Siri.
You'll be able to activate Siri in its own dedicated app, and the AI is more informed by what's on your Mac -- it'll be able to look through your files, emails, and messages to answer personalized questions in natural language.
Also: What's new with iPhone 18 Pro Max? Guess correctly for a chance to win an Apple Watch
We saw the first glimpses of MacOS 27 Golden Gate earlier...
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