why do i not have high sierra macbook air

#Why do i not have high sierra macbook air install#
#Why do i not have high sierra macbook air upgrade#
#Why do i not have high sierra macbook air software#

Apple claims that Metal 2 provides up to 10 times better performance in key areas. MacOS High Sierra introduces Metal 2, the next-generation of Apple’s Metal graphics API that was launched three years ago.

#Why do i not have high sierra macbook air software#

Even existing Macs will benefit from the HEVC software encoding in High Sierra, but newer Mac models include HEVC hardware acceleration for even better performance. High Sierra includes High Efficiency Video Encoding (HEVC, AKA H.265), which preserves better detail and color while also introducing improved compression over H.264 (MPEG-4 AVC). Most of us won’t notice these improvements, but we’ll benefit from better, faster, and safer file handling, which I think all of us can appreciate. Many of these improvements, including enhanced performance, security, and reliability of data will provide immediate benefits to users, while others provide a foundation for future storage innovations and will require work by Apple and third parties to support in their products and services. We went into detail about the enhancements and improvements that APFS has over the previous file system, HFS+, in an earlier post. Apple touts APFS as a new file system optimized for Flash/ SSD storage and featuring strong encryption, better and faster file handling, safer copying and moving of files, and other improved file system fundamentals. It’s already in iOS: now High Sierra brings APFS to the Mac.

#Why do i not have high sierra macbook air upgrade#

Under the Hood of High Sierra Apple File System (APFS)Īpple has been rolling out its first file system upgrade for a while now. We’ll cover both the inner and outer improvements coming in this new OS. Its major focus is on improving the base OS with significant improvements that will support new capabilities in the future in the file system, video, graphics, and virtual/augmented reality.īut don’t despair there also are outward improvements that will be readily apparent to everyone when they boot the OS for the first time. High Sierra, as the name suggests, is a follow-on to the previous macOS, Sierra. To make that easier, Backblaze offers this macOS High Sierra upgrade guide. You want your data to be safe from unexpected problems that could happen in the upgrade. A new OS from Apple is exciting, But please, before you upgrade, we want to remind you to back up your Mac.

#Why do i not have high sierra macbook air install#

It’s a free upgrade, and millions of Mac users around the world will rush to install it. On Tuesday, we learned we don’t have long to wait-the new OS will be available on September 25.

If you do not know who your IT Support Provider is, please use the IT Lookup Toolto locate the appropriate support resource for your department.Apple introduced macOS 10.13 High Sierra at its 2017 Worldwide Developers Conference in June. Students can contact the Tech Team for assistance with or questions about upgrading their machine to a supported version of macOS.įaculty, Staff, and Employees should contact their IT support unit. Where can I get help with upgrading macOS? Once your computer has successfully upgraded to macOS 10.11 you can use the steps above to upgrade to a supported version of macOS. If you are running macOS 10.10 or lower, you will need to upgrade your computer to 10.11 El Capitan first. To see if your computer can run macOS 11 Big Sur, check Apple’s compatibility info and installation instructions. If you are running macOS 10.11 or newer, you should be able to upgrade to at least macOS 10.15 Catalina. If you are upgrading from an older version of macOS, you may need to also upgrade some of the applications installed on your computer. The process of upgrading your computer varies depending on which version of macOS is currently installed on your computer.Īs of 10.15 Catalina, macOS does not support 32-bit applications. If this is the case, you will need to replace your current computer with a newer model. If your computer does not meet the minimum requirements for Catalina or Mojave, you will not be able to install a supported version of macOS. If you are running an older OS, you can look at the hardware requirements for the currently supported versions of macOS to see if your computer is capable of running them:

If your computer is running macOS 10.14 Mojave or older it will need to be upgraded – make a note of your installed macOS version and your computer’s model and year as that information will be helpful when upgrading macOS.

You’ll see the macOS name and version number, such as macOS Catalina 10.15.5 as well as your computer model and year.

From the Apple menu in the top left corner of your screen, choose About This Mac.

All UVM-owned computers running macOS 10.14 Mojave or older must be updated or replaced as soon as possible to comply with the University Information Security Policy.