While macOS High Sierra is no longer supported by Apple, it remains a viable option for users who are not concerned about the latest security updates or compatibility with the newest apps. While it has been superseded by newer versions of macOS, its impact on the Mac ecosystem remains undeniable. Its focus on performance, innovation, and refinement made it a compelling upgrade for existing Mac users. MacOS High Sierra was a remarkable release that elevated the macOS experience to new heights. MacOS High Sierra can be run on a range of Mac computers, including: It solidified macOS as a powerful and versatile operating system, catering to a wide range of users, from casual users to creative professionals. MacOS High Sierra made significant strides in refining the user experience, introducing groundbreaking features, and enhancing overall performance. Enhanced graphics performance: Metal 2, the enhanced graphics API, contributed to improved graphics performance across various tasks, including video playback, gaming, and graphics-intensive applications.Improved file system performance: The File System Journal (FJS) was optimized, leading to faster file transfers, copying, and indexing.Faster app launches: App launches were significantly accelerated, reducing the time it took for apps to open and respond to user input.MacOS High Sierra also introduced a range of performance enhancements that made Mac computers more responsive and efficient. Siri enhancements: Siri, Apple's intelligent personal assistant, gained new features, including contextual awareness, on-device translation, and integration with third-party apps.Photos app enhancements: The Photos app received a significant overhaul, gaining smarter sorting and organization features, enhanced editing tools, and improved facial recognition capabilities. VR support: With macOS High Sierra, Mac computers became compatible with virtual reality headsets, opening up new avenues for immersive experiences.HEVC video support: macOS High Sierra introduced native support for High-Efficiency Video Coding (HEVC), allowing users to play and edit high-resolution videos with greater efficiency.Metal 2: This enhanced graphics API boosted graphics performance, enabling smoother gameplay, accelerated rendering, and improved virtual reality experiences.Here are some of the most prominent additions: To ensure that everything goes smoothly, we'll take the extra step of deleting your existing partition before installing macOS.MacOS High Sierra brought forth a range of notable features that enriched the user experience and expanded the capabilities of Mac computers. Once your installation files have been copied, it's time to install macOS from scratch. Once you hit Enter, you'll need to enter your admin password to approve the command, and then hit "Y" on your keyboard to confirm that you're OK with the contents of the USB drive being overwritten. Here's another example that creates a macOS High Sierra install USB on a drive named "MacOS Installer": sudo /Applications/ Install\ macOS\ High\ Sierra.app/ Contents/Resources/createinstallmedia -volume /Volumes/MacOS\ InstallerĬommand to list all connected volumes, which will include your USB installation medium in case you need to check the label. For example, "Install macOS High Sierra.app" would become Install\ macOS\ High\ Sierra.app Be aware that any spaces will need to be preceded by a backslash. You can change various parts of this command to suit your own circumstances, with the main one being the name of the installer. Sudo /Applications/ Install\ macOS\ Big\ Sur.app/ Contents/Resources/createinstallmedia -volume /Volumes/macos_installer You can find out which Mac you have by clicking on the Apple logo in the top-left corner and selecting "About This Mac" to see the name and year of release. If you're not sure what your Mac came with, head to Apple Support and search for your exact model. Your Mac's "earliest" supported version of macOS is the one that it came with. Older versions were written for Intel chips, which use the x86_64 instruction set, while the newer Apple Silicon chips use the ARM instruction set. It's common knowledge that new macOS releases often drop support for older hardware, but the same is true for newer Mac models and older software, too.įor example, you cannot install any version of macOS prior to Big Sur (released in 2020) on a Mac with an Apple Silicon chip, including the M1. It's important to understand that not all versions of macOS (or Mac OS X) work with all hardware configurations. While the process is pretty straightforward, getting your hands on older releases of macOS isn't so easy.
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