This could be a problem if there are lots of Mac computers in your home or office. Normally, it is assumed that updating OS is a one-way road. This takes a long time to do and sucks up your internet bandwidth in the process, as each download could take two hours or more. Download CleanMyMac for OS 10.10 - 10.14 (free version) STEP 2. If you want to use the macOS installer multiple times, and you don't save it first, you need to download it again on each Mac you update. (For example: iMac (21.5-inch, Late 2012.) Older OS versions do. In newer OS versions, the resulting screen will tell you EXACTLY which machine model you have. To find out, go to Apple Menu and choose ABOUT THIS MAC. That means it can be huge, sometimes as big as 8GB or more. Answer (1 of 3): The answer begins with knowing exactly which Mac model you have. Unlike most minor updates, the macOS installer includes an entire operating system for your Mac. This happens unless you save the installer before running the update. Since most people only need to use it once, the macOS installer automatically deletes itself after you use it.
#Upgrade to new mac os x 10.10 download how to#
Worry not we'll show you how to make better use of the macOS installer. 6.1 or later for Yosemite, 5.0.1 or later for Mavericks, 4.4 or later for Mountain Lion. OS X Yosemite brings a redesigned user interface to the Mac, as well as many new features that intend to improve productivity and interoperability with iOS devices. Please note that in order to install and run MacPorts on macOS. The update to Macs is available now as a free download. But Apple doesn't save the macOS installer in an obvious location, so it's difficult to use the same file again. Apple has released OS X Yosemite, officially versioned as OS X 10.10. If you have a few Mac computers in your household or office, you probably don't want to spend hours downloading the large macOS installation file multiple times. These updates are totally free and you can even sign up to the public beta to access them early.
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Every year Apple releases a major update to macOS, introducing new features and improvements for your Mac.