The all now OS X 10.10 Yosemite is out now and its a free upgrade like Mavericks. It’s very simple task to upgrade an exsisting os to Yosemite with “App Store”. It’s actualy one click away from Yosemite. But if you need to install a fresh copy of Yosemite into your macbook, you will need either a DVD installer or a Bootable Yosemite installer.
Mac Os Boot Disk Download
Why a fresh install
How to create a bootable OS X Yosemite drive! You can perform clean installations easily and install this version of OS X on other Macs! Sudo Command: sudo /. Download the Yosemite installer from the Mac App Store and make sure it’s in your main Applications folder (/Applications)—it’s called Install OS X Yosemite.app. Connect to your Mac a properly. Download Mac OS X Yosemite 10.10.3 latest free latest standalone offline bootable DMG image. The MacOS X Yosemite 10.10 is a very powerful operating system for Macintosh with better stability, security, and compatibility features. Mac OS X Yosemite 10.10.3 Review. Apple’s OS X Yosemite is a very powerful operating system providing support for. 8GB or ‘Greater’ USB ‘Install OS X Yosemite.zip’ file downloaded from Mac Store (Download from here) Now, let’s move to the actual tutorial to create bootable OS X Yosemite USB, Connect your USB drive with Mac. Start ‘Disk Utility’. Select USB drive from the left sidebar. Click on ‘Erase’ tab from right. Now, click on ‘Erase. Append the OS X Yosemite bootable installer drive to the Mac, at that point reboot as typical. During boot down the OPTION key until a boot determination menu shows up, pick “Introduce OS X Yosemite” as the drive for sure (this is the USB installer). When the “Operating system X Utilities” screen shows up, pick “Disc Utility”.
Many people says slow issues after upgrading to old version Mavericks. And after upgrading some of your already installed apps wont work. Keeping a USB installer drive is a good idea to use it for recovery or troubleshooting purposes. And if you have one bootable installer, you can use it with your other Macs to install the Yosemite. It really really helps you by avoiding downloading the Yosemite installer file in each Mac.
What to backup
Before you start installing Yosemite, you should backup all the important data to an external resource. Installing the OS X is a kind of formatting your Mac. The process will wipe out the entire Hard disk. And more thing, you done need to backup or note a product key like windows product key in your mac. Mac doesn’t ask any product key while installing. Your Apple hardware is the product key for all your OS X installations.
OS X Yosemite hardware requirements
You should check wether your current hardware is compatible with Yosemite. Minimum ram required for Yosemite is 2GB. But 4 GB or higher is recommended for best performance. A hard disk space of 40GB is recommended for installing Yosemite with ease. Please note your entire HDD will wipe out while installing the Yosemite.
- Macbook air late 2008 or later
- Macbook Pro mid 2007 or later
- Mac mini early 2009 or later
- iMac mid 2007 or later
- Mac Pro 9 early 2008 or later
Making a USB installer is an easiest task if you already downloaded the Yosemite installer “.App” file. For downloading the file you should go to the “App Store” and then select the “Updates” tab on the top right position. Click on the “free upgrade” option for downloading the Yosemite installer file. The app file size will be 5.16GB as i can see here. Now the installer file is downloading to the /Applications directory.
You need a 8GB or higher capacity USB pen drive which formatted as “Mac OS Extended (journaled)”
Mac Os X Bootable Usb
Prevent auto deleting the downloaded file
After completing the download you should copy the downloaded file from /Applications directory to somewhere (i.e. to desktop). Because the downloaded file will automatically delete after starting the automatic upgrade process. Make sure you copied to a different directory. The downloaded file name and extension should look like Install OS X Yosemite.app. Now you are not far from create bootable usb of yosemite.
![Yosemite Yosemite](/uploads/1/0/7/0/107080525/716893056.png)
Create bootable usb of yosemite
Now all set for create bootable usb of yosemite. Here in my case, i copied the Yosemite installer file “Install OS X Yosemite.app” to my “Desktop”. And my 16gb USB drive name is “Sandisk” and its plugged to my Mac. Now open the terminal and execute one command to make the stuff.
NB: Make sure you give a different name for your USB drive than the your main HDD of your Mac.
Download Mac Os Bootable
Execute the below command to create bootable usb of yosemite. Done forget to change the directory names with yours.
sudo /Users/Sreekanth/Desktop/Install OS X Yosemite.app/Contents/Resources/createinstallmedia –volume /Volumes/Sandisk –applicationpath /Users/Sreekanth/Desktop/Install OS X Yosemite.app –nointeraction
Create Mac Os Boot Usb
After 10 to 20 minutes your all new OS X Yosemite bootable USB installer will be ready.
For more about OS X Yosemite visit Apple