It is not possible without access to an OSX machine. If you have the old disk from your Mac it might have the recovery partition on it. If you can put it back in, boot while holding down command-R. You can put the SSD in an external enclosure and use the recovery partition to install Yosemite on to it. Find many great new & used options and get the best deals for Mac OS X 10.10 Yosemite Install Disc at the best online prices at eBay! Free shipping for many products! Install macOS X 10.10.5 Yosemite Prepare the system disk. Select the language you want to use, From the top menu, click the 'Utilities' menu, Click on 'Disk Utility.' , Select the Hard Drive on which macOS will be installed, On the 'Erase' tab, click 'Erase.' Button and confirm. Close the Disk Utility. Follow the wizard to install macOS.

The last time Apple released a new version of its OS X operating system on physical media was 2009, in the case of OS X 10.6 Snow Leopard. Since then, new OS X versions are only available for download directly from the Mac App Store.

DiskMaker X is a lightweight and very easy-to-use macOS utility specially made to help you create a bootable drive from macOS installer packages, with support for the last three macOS releases. DiskMaker X is a practical tool developed with AppleScript that lets you copy an install file for the OS X Yosemite operating system to a USB drive so you can turn it into a boot disk during startup. To make the copy, you just have to install the DiskMaker X application on your computer, download a copy of Yosemite, and follow the assistant's. How to create a macOS Catalina installer using DiskMaker X.In order to create this you will need to be running macOS Mojave.i'm not sure if you can create th. Once you have downloaded the Install macOS Sierra and DiskMaker X 6, add both of them to an application. Add DiskMaker X 6 to Application Create Bootable USB for Mac on Windows 10. Go ahead and launch the DiskMaker X 6, after that select a Version of operating systems like Yosemite, El Captain or MacOS Sierra. Since macOS High Sierra is.

Install Yosemite Dmg

While this may be a convenient way to upgrade your Mac, it doesn’t leave you with a fallback solution as there is no bootable USB for you to do a clean install (in case your Mac gets corrupted).

Keep the Installer From Being Deleted Automatically

Similar to previous OS X versions, when you download Yosemite from the Mac App Store, it’ll automatically be downloaded to your Applications folder. And if you leave it there, the installer will delete itself after Yosemite finishes installing on your Mac.

Mac app store for developer. So, if you plan to use the same installer file on different Macs in the future, or as in this case, you plan on creating a bootable drive, be sure to copy the installer to another location, such as an external drive, before you install Yosemite.

Now there are two different methods to create a bootable USB drive for Yosemite. You can either use a simple graphical interface, or you can use OS X’s built-in Terminal utility. We’ve described both methods below.

Before you get started, make sure you have the following stuff with you:

• An 8GB or larger USB drive or external hard drive (this can be a partition on a larger drive as well)
• The OS X Yosemite installer – this should be ideally placed inside your Applications folder.
• DiskMaker X for your Mac – you can download it from here

Using Diskmaker

1. Once you have Diskmaker downloaded, connect your USB to your Mac and open up DiskMaker X.

2. You’ll be presented with options to make installers for either OS X 10.8, 10.9 or 10.10. Click on OS X Yosemite (10.10).

3. Diskmaker should automatically search your system for the OS X 10.10 Installer and should present the file with its location to you. If this is the right installer, click on “Use this copy.”

If it doesn’t detect the installer, click on “Use Another Copy” to navigate to the installer you want to use. Once located, click on Done.

4. Diskmaker will then ask you to select the drive you want to use as a Yosemite bootable drive. Once you select it, it will proceed to format the drive/partition and create a bootable disk. Depending on your Mac and USB type, this process can take from two to thirty minutes. It took around sixteen minutes to create a bootable disk on my USB 2.0 drive on my iMac (Mid-2012).

Once DiskMaker is finished, you’ll have a bootable Yosemite installation drive.

And that’s it! You can now use this bootable drive to easily install Yosemite onto multiple computers, or you can use it as a recovery drive for use in the future.

Using Terminal

Os X Yosemite Install Disk Download

If the above method didn’t work for you for some reason, you can easily create a bootable USB using Terminal. Here’s how:

1. Connect your USB to your Mac, and open Disk Utility on your Mac.

2. Select the drive from the left-hand pane and click on the Erase tab.

Note: This step will erase all data on the USB/drive, so be sure to backup any valuable data you have on your drive.

3. Select “Mac OS Extended (Journaled)” from the Format menu, enter “Untitled” in the Name field and click on “Erase”.

4. Make sure your Yosemite install file is located in the main Applications folder (/Applications) before proceeding.

Open Terminal on your OS X system using Spotlight or by navigating to “Applications -> Utilities.”

Diskmaker Mac Yosemite

5. Copy and paste the following command into Terminal and press Enter.

6. When prompted, enter in your admin password and press Enter.

7. Terminal will now start creating the bootable drive and will display the progress as shown below:

The entire process will be complete when you see “Done.”

You now have a bootable Yosemite drive which you can use to install Yosemite on other systems. You can also use this bootable drive to do a fresh, clean installation of Yosemite.

Republished with permission from MakeTechEasier. Read the original.

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