If you never downloaded Yosemite before, make a Genius Bar appointment at your local Apple store, explain why you need Yosemite and ask them to install it for you.
If you ever downloaded Yosemite before, then look for it in the Applications -> App Store -> Purchased tab I need yosemite 10.10.0 to my macboookpro 2009 and i dont find, what i am do in this case See App Compatibility Table - RoaringApps. It's displayed in the panel on the right. To find the model identifier open System Profiler in the Utilities folder. Xserve (Early 2009) - Model Identifier 3,1 or later Mac Pro (Early 2008 or newer) - Model Identifier 3,1 or laterħ. Mac mini (Early 2009 or newer) - Model Identifier 3,1 or laterĦ. MacBook Air (Late 2008 or newer) - Model Identifier 2,1 or laterĥ. MacBook Pro (Mid/Late 2007 or newer) - Model Identifier 3,1 or laterĤ. MacBook (Late 2008 Aluminum, or Early 2009 or newer) - Model Identifier 5,1 or laterģ. iMac (Mid 2007 or newer) - Model Identifier 7,1 or laterĢ.
Macs that can be upgraded to OS X Yosemiteġ. OS X Mavericks/Yosemite- System Requirements It would be preferable to use Ethernet because it is nearly four times faster than wireless. The file is quite large, over 5 GBs, so allow some time to download. To upgrade to Yosemite you must have Snow Leopard 10.6.8 or Lion installed. Yosemite can be downloaded from the Mac App Store for FREE. You can upgrade to Yosemite from Lion or directly from Snow Leopard.
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