- DOWNLOAD OS X YOSEMITE FOR USB MAC OS
- DOWNLOAD OS X YOSEMITE FOR USB INSTALL
- DOWNLOAD OS X YOSEMITE FOR USB UPGRADE
- DOWNLOAD OS X YOSEMITE FOR USB PASSWORD
- DOWNLOAD OS X YOSEMITE FOR USB DOWNLOAD
DOWNLOAD OS X YOSEMITE FOR USB INSTALL
Select it and follow the prompts to install OS X Yosemite. Reboot the Mac holding the Alt/Option key on the keyboard and you’ll see the installer appear in the EFI boot menu.
DOWNLOAD OS X YOSEMITE FOR USB UPGRADE
When it’s complete, you’ll see that your USB flash drive is now mounted to your desktop with the name “InstallAssistant.” You can now rename this drive (highlight it on the Desktop and press Return), as well as supply it with its own custom icon.Įject your new Yosemite USB installer and connect it to any Mac you wish to upgrade to the Yosemite Developer Preview. Let the tool do it’s thing and don’t interrupt the process until you see Terminal output Done and return your window to the user prompt. This will create a bootable Yosemite USB installer using OS X’s createinstallmedia tool, which can take quite a while depending on the speed of your flash drive.
DOWNLOAD OS X YOSEMITE FOR USB PASSWORD
Press the Return key on your keyboard to execute the command, and enter your admin password when requested. Open Terminal from /Applications/Utilities and then enter the following command: sudo /Applications/Install OS X 10.10 Developer Preview.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install OS X 10.10 Developer Preview.app -nointeraction Now that the Developer Preview’s preference file has been modified, we can complete the process of creating a bootable Yosemite USB installer with a simple Terminal command. Step 4: Create the Bootable Yosemite USB Installer with Terminal Change this to 1.4.1, and save the file, authenticating with an admin password if requested. The default value for this key, listed in the string below it, is 1.4.3. Open this file in your text editor of choice and find the line CFBundleShortVersionString. Then open the Contents folder and find ist. Locate the Install OS X 10.10 Developer Preview.app file in your Applications folder, right-click, and choose Show Package Contents. plist file in the Yosemite installer app. By default, the process of creating a bootable Yosemite USB installer via the method outlined in this article won’t work unless we make a slight change to a. This is one step that consumers running the public Yosemite beta don’t have to worry about.
Step 3: Modify the Yosemite Installer’s Preference File Note that this will erase all contents of the USB drive so, as mentioned above, be sure to back up any files on the drive or use a blank drive to begin with. Press Apply to restructure the USB volume with the new parameters.
DOWNLOAD OS X YOSEMITE FOR USB MAC OS
Under Partition Information, change Format to Mac OS Extended (Journaled) and give the drive the name “Untitled” (this allows your drive to work with the Terminal commands below you can rename the drive when the process is complete). Then click Options, choose GUID Partition Table, and click OK to save the change. In the drop-down menu under Partition Layout, choose 1 to create a single new partition. This won’t work for Yosemite, so we need to change it. In our case, our drive is brand new and formatted as a FAT volume with a Master Boot Record partition scheme. The partition scheme and volume properties of your flash drive will vary depending on manufacturer and previous configuration. With the USB drive selected, choose the Partition tab on the right side of the window.
Note that you want to select the drive and not the volume. We’re using a SanDisk Cruzer flash drive, so in our case we choose 8 GB SanDisk Cruzer Media and not the default “No Name” volume. In Disk Utility, select the USB flash drive from the list on the left. Plug the drive into a Mac running OS X 10.7 Lion or higher and launch Disk Utility from the /Applications/Utilities folder.
While it’s possible to create a separate partition for the Yosemite USB installer, it’s safest and easiest to use an empty drive or one that you don’t mind erasing. Grab a USB flash drive that’s at least 8GB in size.
DOWNLOAD OS X YOSEMITE FOR USB DOWNLOAD
It will also launch the Yosemite installer app when the download completes. This will put a file called Install OS X 10.10 Developer Preview.app in your /Applications folder. Step 1: Obtain the Yosemite Developer Preview Installerĭownload the OS X Yosemite Developer Preview installer from the Mac App Store. If you’re a consumer using the free Yosemite Public Beta, follow these similar, but specialized, instructions. Note: As mentioned, these steps are for the OS X Yosemite Developer Preview, which is provided to registered members of the Mac Developer Program.
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