Question :
I read somewhere that it is possible to install the latest version of OSX 10.10 Yosemite on my Mac, even though the official installer refuses to install.
Can you give me any directions ?
Answer :
Installing newer versions of OSX on slightly older Macs that do not meet the official system requirements can be done using MacPostFactor (MCPF).
MacPostFactor also supports installing OSX versions up to OSX 10.10 Yosemite on older Macs. And a new version that supports installing OSX 10.11 El_Capitan is in the works.
For more info (and downloads), go to the info page on MacRumors.com :
http://forums.macrumors.com/threads/os-x-yosemite-on-unsupported-macs-guide.1761432/
or see the (less readable) official page of the MacPostFactor team :
…in short :
!!! THIS IS FOR (RATHER) EXPERIENCED MAC-USERS ONLY, AND SHOULD NOT BE DONE ON YOUR ‘ONE AND ONLY’ MAC !!!
!! REMEMBER : DO FOLLOW THE COMPLETE INSTRUCTIONS THAT CAN BE FOUND HERE : MacPost Factor info page on MacRumors.com
…that should be it !
enjoy !
😉
MacManus.nl 
Sounds like a plan – I’ll see if I can get my black Macbook 4,1 to run in style!
@TopHatProductions115 :
Nice idea.
As mentioned before : it is explicitly discouraged to install unsupported versions of OSX on your ‘one and only’ / ‘professional’ / ‘main’ Mac !
Hope this helps, even if just a little
Good Luck !
I got to Yosemite 10.10.5 Combe Update, but I can’t seem to get the El Capitan installation working yet. Stuck on Yosemite for now…