Download old Mac OS X versions?
You will be able to find older versions of Mac OS X under the Purchased tab in the Mac App Store - assuming you 'purchased' them.
Download old Mac OS X versions on the Mac App Store.
OS X El Capitan download
OS X Yosemite download
OS X Mavericks download
OS X Mountain Lion download
OS X Lion download
Here is how to get an older version of Mac OS X from the App Store
1.Open the Mac App Store (choose Store > Sign In if you need to log in).
3.Scroll down to find the copy of OS X or macOS you want.
4. Click Install.
Old Mac OS X versions
Mac OS X
Tech writer at newsandstory
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