It’s Mac OS X season again and with that is a new version of Mac OS X. In this case it is Mac OS X 10.10, or what is better known as Yosemite. Most people will upgrade their Mac over the top of their existing OS, which is perfectly fine. However, there are times when OS X needs to be installed on a new (blank) hard drive, or, we simply want to perform a “clean install”. When doing this I prefer to use a bootable USB drive instead of a DVD. This is becoming especially convenient as newer Macs don’t have (or need) an internal DVD drive.
- Can You Still Download Os X Yosemite
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- Create A Bootable Installer For Os X
For reference, Apple has a page that covers how to create a bootable USB drive with the OS X 10.9 Mavericks installation files, but leaves out a few of the details discussed here. This should also provide is little context around this being a standard process that is supported by Apple. No hackery here.
What is needed
The process is easy and any Mac user who considers themselves to be semi-technical will be capable of creating a bootable USB drive containing the Mac OS X installation files. And, this does not require downloading any third-party tools or paying for extra utilities. Here is what you need.
- A Mac with internet access
- One 8 GB (or larger) USB drive
- The OS X installation file from Apple (i.e.; “Install OS X Yosemite”)
Creating a bootable OS X installer isn’t as simple as it used to be, and things are a little bit more complex with the Developer Preview of OS X Yosemite.While there are multiple methods that will work, here’s the easiest way to create a bootable OS X 10.10 Yosemite USB Installer.
Downloading the OS X installation file
To create a bootable USB drive for OS X, you first need to download the desired operating system setup file from Apple, such as OS X 10.10 Yosemite. You can search for the OS, “OS X Yosemite”, in the App Store (or using this link) to access it in the App Store directly. Once the download completes, you will see the OS X Install window for Yosemite (or other version), but do not proceed with the install; you need quit the install. You just needed the Install OS X Yosemite application, which should now be in the Applications folder on your computer. For Yosemite, the file name will be Yosemite.app.
- The traditional method of creating a bootable OS X USB installer no longer works, so you’ll need to follow a new approach when dealing with OS X Yosemite. While there are multiple methods that will work, here’s the easiest way to create a bootable OS X 10.10 Yosemite USB Installer for the Yosemite Public Beta.
- An 8GB USB Flash Drive or larger where you would be burning the OSX Yosemite copy to. The OS X 10.10 Yosemite installer from the Mac App Store in your Applications folder; An Administrator account on your Mac; Method 1: Using DiskMaker X. Using Diskmaker X is the easiest way to burn or make a bootable USB Flash drive. Here is how to go about it.
- Download Mac OS X 10.10 Yosemite.DMG – Download Yosemite.ISO – Yosemite Torrent download – VMWare image – Hackintosh Without Apple Store ID! Very shortly, in this article, we show 3 possible ways to download Yosemite 10.10.DMG, then convert Yosemite.DMG to Yosemite.ISO (available solutions in both Mac OS X and Windows).
- Creating a bootable USB drive of OS X Yosemite 10.10 if you want to save it on a external drive for future usage or just want to install it on multiple Mac computers. To make OS X Yosemite bootable USB installer drive, there are few requirements. Lets see what are those.
Can You Still Download Os X Yosemite
Creating the bootable USB drive
Here is what you need to do:
- Connect the USB drive to your Mac. Backup any files that may be stored on it before you proceed because this USB drive will need to be completely reformatted.
- Format the USB drive, using Disk Utility, as a Mac OS Extended (Journaled) drive, named Yosemite. I suggest not using any spaces to keep a future step simple. This is performed using the Erase tab within the Disk Utility app. Be sure the USB drive does not have multiple partitions (that can happen, so use to the Partition tab to verify and correct this).
- Open Terminal. This located in the Applications > Utilities folder.
- The following command is used to make the USB drive bootable as well as copying the necessary OS installation files on the USB drive.A couple quick points to help make sense of the command below. The –volume /volume/YosemiteUSB attribute of the command specifies the target drive, the USB drive in this case. The –applicationpath attribute specifies the OS X source installation file that was downloaded earlier. You will also notice the command (createinstallmedia) used to create the installable USB drive is actually contained with Yosemite.app file that was downloaded.Type (paste) the following command
For Yosemite:
- For El Capitan:
- To kick off the process, type in your user password when requested.
This process can take upwards of 30 minutes or more without any indication on the screen it is still processing. Even though it may appear to have locked up, put your worries aside and your patience will be rewarded. The time it takes will vary depending on the speed of your Mac and the USB drive write speed.
Sample log
Below is a log of the terminal screen from when I created my bootable USB drive containing the Yosemite OS X installation files.
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You should now have a bootable USB drive from which you can boot your Mac and perform a fresh install of the Max OS X operating system.
If you wish to use DiskMaker X to create the bootable OS X 10.10 Yosemite USB drive, here is what you need to do:
- Connect the USB drive to your Mac.
- Open DiskMaker X and select Yosemite (10.10). ...
- Select Use this copy to use the Install OS X Yosemite app from the Applications folder. ...
- Select An 8 GB USB thumb drive.
How do I create a bootable USB drive for Mac OS X 10.10 Yosemite?
Open up Disk Utility and do the following.
- Select the USB drive (not the partition)
- Go to the Partition tab.
- Change the 'Partition Layout' to 1 Partition.
- Rename it Yosemite (or whatever you want)
- Select Mac OS Extended (Journaled) as the 'Format'
- Click the Options... button.
How do I create a bootable Mac OS X drive?
Download the macOS Sierra installer and Disk Creator.
- Insert an 8GB (or larger) flash drive. ...
- Open Disc Creator and click the “Select the OS X Installer” button.
- Find the Sierra installer file. ...
- Select your flash drive from the drop-down menu.
- Click “Create Installer.”
How do I download Yosemite to USB?
How to Install Mac OS X Yosemite on a USB Flash Drive
- Download a copy of Yosemite from Apple. ...
- Reformat your USB drive using Disk Utility. ...
- Select the drive and switch to the Partition tab. ...
- Click on the “Options” button and Choose “GUID Partition Table.” Click OK and then Apply. ...
- Start the install of Yosemite and agree to the user agreement.
How do I download OS X Yosemite installer?
OS X Yosemite installer. You can download the installer from the Mac App Store. Once complete, you'll find the download in the /Applications/ folder, with the file name Install OS X Yosemite. A USB flash drive or another suitable bootable device.
Can you still download Yosemite?
3 Answers. You should be able to download Yosemite from the App store if you login with an account that had previously acquired it. If the USB stick was made with an App store copy of 'Install OS X Yosemite. app', it will work on any hardware that existed prior to the release of the copy you downloaded.
How do I make a disk bootable?
Create a bootable USB with external tools
- Open the program with a double-click.
- Select your USB drive in “Device”
- Select “Create a bootable disk using” and the option “ISO Image”
- Right-click on the CD-ROM symbol and select the ISO file.
- Under “New volume label”, you can enter whatever name you like for your USB drive.
How do I make my OSX High Sierra bootable USB?
Create a bootable macOS installer
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- Download macOS High Sierra from the App Store. ...
- When it's finished, the installer will launch. ...
- Plug in the USB stick and launch Disk Utilities. ...
- Click the Erase tab and make sure Mac OS Extended (Journaled) is selected in the format tab.
- Give the USB stick a name, then click Erase.
How do I reinstall Mac OS from USB?
Install macOS from the bootable installer
- Make sure the bootable installer (USB flash drive) is connected to your Mac.
- Shut down your Mac.
- Hold down Option/Alt and press the Power button.
- The startup device list window should appear displaying a yellow drive with Install (software name) below it.
What is the next upgrade from Yosemite 10.10 5?
El Capitan is Apple's marketing name for OS X version 10.11, the latest update to your Mac's system software. If your Mac is running Yosemite (10.10), Mavericks (10.9), or Mountain Lion (10.8), it can run El Capitan. Beginning September 30, you can download El Capitan straight from the Mac App Store.
Is Mac operating system free?
Apple has made its latest Mac operating system, OS X Mavericks, available to download for free from the Mac App Store. Apple has made its latest Mac operating system, OS X Mavericks, available to download free from the Mac App Store.