
OS SIERRA VS HIGH SIERRA UPDATE
Starting with the update to macOS 10.13.3, launching a 32-bit application would display an alert that it "is not optimized for your Mac. Deprecation of 32-bit supportĪpple notified developers that High Sierra would be the last version of macOS to run 32-bit applications "without compromise".
OS SIERRA VS HIGH SIERRA INSTALL
This requires using a patch to modify the install image. It is possible to install High Sierra on many older Macintosh computers that are not officially supported by Apple. iMac: Late 2015 27" or later, Mid 2017 21.5" or newerĮxternal graphics processor support requires a Thunderbolt 3-enabled Mac:.HEVC hardware acceleration requires a Mac with a sixth-generation Intel processor or newer: MacOS High Sierra runs on the following Macintosh models with at least 2 GB of RAM and 14.3 GB of available disk space: FaceTime, supports capture of Live Photos from streaming video.Mail Search, is improved with more options.Spotlight, adds flight tracking features.Siri, supports preference learning for music and is more tightly integrated with iTunes, and text to speech is improved.

