upgrade mac book pro mid-2009
What is the latest OS I can install on a MacBook Pro mid-2009
MacBook Pro 15″, OS X 10.11
Question marked as
Best reply
OS X El Capitan 10.11.6 per the following from Identify your MacBook Pro model - Apple Support
MacBook Pro (15-inch, Mid 2009)
Model Identifier: MacBookPro5,3
Part Numbers: MB985xx/A, MB986xx/A
Newest compatible operating system: OS X El Capitan 10.11.6
and
MacBook Pro (15-inch, 2.53GHz, Mid 2009)
Model Identifier: MacBookPro5,3
Part Number: MC118xx/A
Newest compatible operating system: OS X El Capitan 10.11.6