Apple has released OS X Yosemite, officially versioned as OS X 10.10. The update to Macs is available now as a free download. 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.
The newest version of OS X runs on all Macs that are capable of running Mavericks, if you haven’t done so yet, you can prepare your Mac for the Yosemite update by following a few simple tasks, including updating your software and backing up the computer before installing the free update.
OS X Yosemite is available as a free download from the Mac App Store. To download and install the update, head to the Apple menu and choose “Software Update”, the OS X Yosemite installer is several GB in size and can be found under the “Updates” tab. You can also use the download link below to head directly to OS X Yosemite in the App Store.
To start the download of Yosemite on your Mac, simply open the above link and click on the “Free” button. The download weighs approximately 5.1GB and will begin immediately.
If you are having trouble downloading OS X Yosemite, with either a “null” error, a “We could not complete your request” error, or a timeout, it’s likely due to Apple Servers being overwhelmed by requests. Simply try again, or wait a minute or two.
Many users are currently experiencing a “This item is temporarily unavailable” error message when trying to download OS X Yosemite. This simply means you should try again later, as the download is likely propagating through Apple servers. This would be a good opportunity to prepare your Mac for the OS X 10.10 update and backing up the computer if you haven’t done so yet.
Update: Users have reported successfully downloading OS X Yosemite by hitting Command+R to refresh the Yosemite page in the App Store, then try clicking the “Free” button again. The download will begin and appear under the “Purchases” tab:
Users who wish to create a bootable USB installer for OS X Yosemite will want to do so before completing the installation of Yosemite, or, at least make a copy of the OS X Yosemite Installer, which is found in the /Applications/ folder.
Separately, new versions of iWork are also now available as a free download.