A simple Google search will often be enough to tell if an app will be compatible in Yosemite. However, it's possible that some might not. If you are upgrading from an earlier version of OS X, most of your apps should still work. Then conduct some research to find out if it is compatible with Yosemite. Before you switch, ask yourself if there's any software that you can't do without. In order for software to work, it must be compatible with the operating system therefore, you may not be able to use all of your existing software if you switch to a different operating system.

A window will appear that shows information about your hardware and software.

Click the Apple icon in the top-left corner of the screen, then select About This Mac.

On a Mac, all of your system information is visible from the About This Mac window. Then you can compare it with the requirements above to decide whether you'll be able to upgrade. To upgrade to Yosemite, you'll need to know what type of hardware your Mac has, as well as which version of OS X you are using.

MacBook (late 2008 Aluminum or early 2009 or newer)įor a full list of hardware requirements, view the OS X Yosemite How to Upgrade page.

Below are the models that can be upgraded:

Hardware requirements: Your Mac will need to meet certain processor, memory, and hard drive requirements to install Yosemite.

Internet access: To install Yosemite, you will need to download it from the Mac App Store, which requires a working Internet connection.

OS X Snow Leopard, Lion, Mountain Lion, or Mavericks: If you are using an older version of OS X such as Leopard, you will need to upgrade to Snow Leopard (version 10.6.8) before upgrading to Yosemite.

Installing Yosemite on a PC is possible, but it requires more advanced techniques.

Apple Macintosh computer (Mac): Generally, you'll need to have a Mac in order to install OS X Yosemite.

If you're thinking about upgrading to Yosemite, you'll need to make sure your computer meets all of the software and hardware requirements. en/macosxyosemite/new-features-in-os-x-yosemite/content/ Upgrading to OS X Yosemite

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