![]() View changelog and download older versions here A USB drive that's at least 8 GB in size In the Menu Bar, simply select "Tools > Download macOS High Sierra." Supports High Sierra, or by using the built-in downloading feature of the tool. This can be obtained from the Mac App Store using a machine A copy of the macOS High Sierra InstallerĪpp. Partition of your currently installed copy of OS X, open Terminal, and If it's not or you're unsure, just boot into your Recovery Note: Make sure SIP is disabled on the system you intend to install The 2007 iMac 7,1 is compatible if the CPU is upgraded to a Penryn-based Core 2 Duo, such as a T9300. Early-2008 or newer Xserve (Xserve 2,1, Xserve 3,1) Early-2009 or newer Mac Mini or white MacBook (Macmini 3,1, MacBook 5,2) Late-2008 or newer MacBook Air or Aluminum Unibody MacBook (MacBookAir 2,1, MacBook 5,1) Early-2008 or newer Mac Pro, iMac, or MacBook Pro I also have a YouTube video going over the whole process. Take a look at the FAQ located at the bottom of this page as well. “ APFS: What You Need To Know About Apple’s New File System.” and “ 10 Things You Should Know About APFS Apple’s New File System.” Some of the discussion in these articles refers to iOS, but it’s all the same file system in iOS and macOS.Or comments? Feel free to contact me at Please If you’d like to read more about the features of APFS, I also recommend these other publications. (If you don’t see it, you may have to reveal it with Finder > Preferences > General) Then hold down the Command key and type “I” (CMD+I) for “Get Info.” You’ll see something ike this: Get Info for an APFS volume. ![]() If you’d like the warm fuzzy of seeing that the drive was converted, on the Mac’s desktop, click-select the boot drive icon. That’s fast, and it’s just another indication of the brilliance of Apple’s APFS team. It took approximately two minutes in my case. The size of the SSD in my MacBook is 256 GB. The results of the conversion will be reported to Apple for QC analysis. Click Done when that button becomes undimmed. When the conversion starts, you’ll see a progress indicator with all the geeky details if you elect to show them. Converting to APFS cannot be undone.” Click on the “Convert” button.Ħ. ![]() “Would you like to convert Your-drive-name to APFS? The box notes: “APFS volumes cannot be used with older versions of macOS. In the Disk Utility Edit menu, select “Convert to APFS.” (It will be dimmed if you didn’t properly select the boot volume.) Disk Utility > Edit > Convert to APFSĥ. (Not the physical drive above it.) In this example, it’s called “John’s-MacBook.”Ĥ. You’ll be dropped into the macOS Utilities.ģ. To do that, select Restart from the Apple menu and hold down the Command and “R” keys (often abbreviated as CMD+R) until you see the Apple Logo or a spinning globe. If the upgrade to High Sierra seemed normal, continue to step #2.Ģ. Of course, compete the installation in the normal fashion. The macOS High Sierra Post-Install Upgrade to APFSġ. The upgrade is non-destructive-you won’t lose any files. If that happened to you, there’s a fix to upgrade to APFS after your installation is done. I’ve seen several instances in Apple’s forum where people forgot to check the box before a hurried click on the Install button. What’s mildly tricky here is that the description of APFS, at the bottom in the smaller print, is isolated from the checkbox above the disk icon. High Sierra (Beta) installer with checkbox for APFS. Because Apple has had stunning success with APFS in iOS so far, you’ll probably want to upgrade your Mac to APFS, especially if your boot drive is Flash-based. ![]() When the public beta of macOS High Sierra is released, you’ll likely have the option to stay with the old HFS+ or elect to upgrade your boot drive to APFS. APFS will enable lots of new technologies on your Mac. For reference, here’s a quick overview of the APFS features. APFS is a modern file system that replaces the extraordinarily aged HFS+, introduced in 1998. One of the notable features of macOS High Sierra is the introduction of the APFS file system.
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