Even in the download-only era, it’s easy to make yourself offline OS X install media. Andrew Cunningham It was 2009 when Apple last released a new operating system on physical media . Things have proceeded remarkably smoothly since version 10.7 switched to download-only installers, but there are still good reasons to want an old, reliable USB stick. For instance, if you find yourself doing multiple installs, a USB drive may be faster than multiple downloads (especially if you use a USB 3.0 drive). Or maybe you need a recovery disk for older Macs that don’t support the Internet Recovery feature. Whatever the reason, you’re in luck, because it’s not hard to make one. As with last year , there are two ways to get it done. There’s the super easy way with the graphical user interface and the only slightly less easy way that requires some light Terminal use. Here’s what you need to get started. A Mac, duh. We’ve created Yosemite USB from both Mavericks and Yosemite, but your experience with other versions may vary. An 8GB or larger USB flash drive or an 8GB or larger partition on some other kind of external drive. For newer Macs, use a USB 3.0 drive—it makes things significantly faster. The OS X 10.10 Yosemite installer from the Mac App Store in your Applications folder. The installer will delete itself when you install the operating system, but it can be re-downloaded if necessary. If you want a GUI, you need the latest version of Diskmaker X app—we wrote this article based on version 4 beta 2, but if a “final” version is released alongside Yosemite we’ll update the article. This app is free to download, but the creator accepts donations if you want to support his efforts. An administrator account on the Mac you’re using to create the disk. The easy way Diskmaker X remains the easiest, most user-friendly way to get this done. Andrew Cunningham Once you’ve obtained all of the necessary materials, connect the USB drive to your Mac and run the Diskmaker X app. The app will offer to make installers for OS X 10.8, 10.9, and 10.10, but we’re only interested in Yosemite today. Read 6 remaining paragraphs | Comments
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How to make your own bootable OS X 10.10 Yosemite USB install drive
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