Again, the installer will launch when the download is complete close the window when this happens. Click the “Download” button to the left of the release you want to install, and your Mac will download it. You will only find versions you’ve previously downloaded here. Instead, you’ll have to head to the “Purchases” tab in the installer and scroll down until you find the version of macOS you want on your thumb drive. Either way, your mileage may vary.If you don’t want the latest version of macOS, searching the App Store won’t help you. Some turn out to be false positives, while others are the fault of non-optimized code. That’s it! Installing El Capitan for testing purposes is a great way to get the experience of what changes the new OS brings, see how that impacts existing applications and settings, and discover how well it plays in the enterprise.Īnother word of warning, being a beta product means that the software will not play nice in some instances, particularly when flagging errors. It’s best to verify that the files were written to the drive by opening the partition and checking ( Figure E).
Upon completion (and barring any fatal errors), the drive will be ready to install OS X El Capitan on supported devices.The drive will be made bootable and the boot files transferred over as well ( Figure D).The partition is erased and the installer files are copied to the drive ( Figure C).When prompted, enter the admin password to execute the process ( Figure B).Sudo /Applications/Install\ OS\ X\ El\ Capitan\ Public\ Beta.app/Contents/Resources/createinstallmedia –volume /Volumes/DRIVE_LABEL –applicationpath /Applications/Install\ OS\ X\ El\ Capitan\ Public\ Beta.app –nointeraction Launch Terminal.app from the Applications | Utilities folder and enter the following command ( Figure A):.Mount the USB drive or SD card on the computer and take note of the volume name assigned.OS X El Capitan Public Beta Installer (Mac App Store).8 GB USB flash drive or SD card minimum.With that warning out of the way, let’s check out the requirements necessary to build a bootable installer drive for installing OS X El Capitan: Better to err on the side of caution by installing this on a non-critical device, virtualized instance, or separate partition.
In other words, if your life (okay, perhaps more like your work) depends on it, don’t go installing this as an upgrade to your existing OS X install.
Though your mileage may vary, it’s not recommended at all to install this on a production or mission-critical system. However, being in beta means that it’s still not quite ready for primetime and will likely not play nice with a host of untested (and, in some cases, unsupported) applications.
The update is free to use and, just like previously released OS X versions, straightforward to install.
Dubbed “ El Capitan” after the famous landmass in Yosemite National Park, this version of OS X builds upon the roots established in 10.10 “Yosemite” to bring about performance and stability enhancements.Ī week ago, El Capitan was made available in a public beta for those wishing to try out Cupertino’s latest and greatest OS simply by signing up for Appleseed, Apple’s Beta Software Program. Jesus Vigo shows you the easiest possible way to create a bootable USB installer for OS X El Capitan.Īt this year’s WWDC, Apple announced the next iteration of OS X, version 10.11.
How to create a bootable USB drive for OS X El Capitan