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MacOS High Sierra will be released this fall, for free, for all compatible Macs. Apps like Messages, Notes, Safari, Siri, iCloud Drive and FaceTime have also been updated. New developer APIs include CoreML, Swift 4, APFS, updates to WebKit and HEVC. MacOS High Sierra has new features like a brand-new file system, APFS, HEVC h.265 code for video compression, Metal 2 for 10x graphics performance than before and Virtual Reality support.

We will update this post as we discover more changes and improvements. So far, we have noticed improved performance all around in macOS High Sierra. When the install is complete, you will see the login screen and will be greeted by the same looking but better macOS. You Mac will restart and continue installing macOS High Sierra.

Make sure to enable the option ‘Convert HD to APFS’ which should convert your Mac drive’s file system from HFS+ to Apple File System.

Once done, launch the macOS High Sierra installer and follow the instructions.

When the utility is installed, it will launch Mac App Store and take you to the download page. Download macOS High Sierra from here.

Download the macOS 10.13 Developer Beta Access Utility.

Since macOS High Sierra is a developer beta right now, it has stability issues and is likely to crash often. You might want to wait for the public beta which will be released later this month.Īt the time of writing, macOS High Sierra beta 6 is available for download. macOS High Sierra supports the same Macs as Sierra did:

Whether your Mac is compatible or not.

A bootable USB drive is normally used for a clean install so your Mac data will be formatted.

Make sure that you have backed up your data.

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