Apple has released High Sierra, a new upgrade to macOS that’s installable on most Macs built since 2009 and 2010. One of the key features of High Sierra is a new file system. There’s a hitch if you’re using a Mac with a hard drive, including Macs with Fusion Drives. File systems aren’t a sexy feature or even a visible one, but the last time the Mac’s file system changed, Bill Clinton was president. So it’s a big deal. Read on for the full story.
macOS High Sierra is now available for download. If you’re upgrading or planning to upgrade, do a bit of advanced prep before you download and install the new operating system using the Mac App Store. Those steps include backing up your Mac and qualifying the apps and devices you depend on for use with the new operating system. Here are some helpful hints to keep you on the right course.