Do not proceed with the installation instead, quit the installer by selecting Quit Install OS X from the Install OS X menu. Once the download is complete, the OS X Yosemite Install app will launch on its own.
The download Yosemite installer file is over 5 GB, therefore as suggested above it’s better to do some cleaning in order to clear the unnecessary items on your Mac device.
You will be probably asked to sign in to Apple store if you haven’t already done so.
- Once you have found the Yosemite Mac OS X app, click on the download button.
- Find Yosemite OS X, can be found by doing a bit of searching among the categories available.
- Simple first step, fire up the Mac App Store by selecting the relevant icon in the dock and clicking on the App Store icon to launch App Store.
- Download Yosemite from the Apple Mac Store Then enter your Apple ID and password to sign in and once the installer has finished downloading, it automatically opens for installation.
When you’re ready to download Yosemite Mac OS X you can find the required version of Yosemite available in the Mac App Store in order to download Yosemite to be installed.