You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

User profile for user: rcwired
rcwired Author
User level: Level 1
9 points

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

Posted on Jan 1, 2022 4:49 PM

Reply
Question marked as Top-ranking reply
User profile for user: FoxFifth
FoxFifth
User level: Level 10
471,747 points

Posted on Jan 1, 2022 4:53 PM

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



View in context

Similar questions

2 replies
Question marked as Top-ranking reply
User profile for user: FoxFifth
FoxFifth
User level: Level 10
471,747 points

Jan 1, 2022 4:53 PM in response to rcwired

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



Reply

upgrade mac book pro mid-2009

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.
Learn more Sign up